20416597440

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{65843}}^1$

素因数の和:65899

約数の個数: 224

約数和(自身を含む): 72249304320

約数和(自身を除く): 51832706880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 19, 20, 24, 30, 32, 34, 38, 40, 48, 51, 57, 60, 64, 68, 76, 80, 85, 95, 96, 102, 114, 120, 136, 152, 160, 170, 190, 192, 204, 228, 240, 255, 272, 285, 304, 320, 323, 340, 380, 408, 456, 480, 510, 544, 570, 608, 646, 680, 760, 816, 912, 960, 969, 1020, 1088, 1140, 1216, 1292, 1360, 1520, 1615, 1632, 1824, 1938, 2040, 2280, 2584, 2720, 3040, 3230, 3264, 3648, 3876, 4080, 4560, 4845, 5168, 5440, 6080, 6460, 7752, 8160, 9120, 9690, 10336, 12920, 15504, 16320, 18240, 19380, 20672, 25840, 31008, 38760, 51680, 62016, 65843, 77520, 103360, 131686, 155040, 197529, 263372, 310080, 329215, 395058, 526744, 658430, 790116, 987645, 1053488, 1119331, 1251017, 1316860, 1580232, 1975290, 2106976, 2238662, 2502034, 2633720, 3160464, 3357993, 3753051, 3950580, 4213952, 4477324, 5004068, 5267440, 5596655, 6255085, 6320928, 6715986, 7506102, 7901160, 8954648, 10008136, 10534880, 11193310, 12510170, 12641856, 13431972, 15012204, 15802320, 16789965, 17909296, 18765255, 20016272, 21069760, 21267289, 22386620, 25020340, 26863944, 30024408, 31604640, 33579930, 35818592, 37530510, 40032544, 42534578, 44773240, 50040680, 53727888, 60048816, 63209280, 63801867, 67159860, 71637184, 75061020, 80065088, 85069156, 89546480, 100081360, 106336445, 107455776, 120097632, 127603734, 134319720, 150122040, 170138312, 179092960, 200162720, 212672890, 214911552, 240195264, 255207468, 268639440, 300244080, 319009335, 340276624, 358185920, 400325440, 425345780, 510414936, 537278880, 600488160, 638018670, 680553248, 850691560, 1020829872, 1074557760, 1200976320, 1276037340, 1361106496, 1701383120, 2041659744, 2552074680, 3402766240, 4083319488, 5104149360, 6805532480, 10208298720, 20416597440]

約数ペア:

[(1, 20416597440), (2, 10208298720), (3, 6805532480), (4, 5104149360), (5, 4083319488), (6, 3402766240), (8, 2552074680), (10, 2041659744), (12, 1701383120), (15, 1361106496), (16, 1276037340), (17, 1200976320), (19, 1074557760), (20, 1020829872), (24, 850691560), (30, 680553248), (32, 638018670), (34, 600488160), (38, 537278880), (40, 510414936), (48, 425345780), (51, 400325440), (57, 358185920), (60, 340276624), (64, 319009335), (68, 300244080), (76, 268639440), (80, 255207468), (85, 240195264), (95, 214911552), (96, 212672890), (102, 200162720), (114, 179092960), (120, 170138312), (136, 150122040), (152, 134319720), (160, 127603734), (170, 120097632), (190, 107455776), (192, 106336445), (204, 100081360), (228, 89546480), (240, 85069156), (255, 80065088), (272, 75061020), (285, 71637184), (304, 67159860), (320, 63801867), (323, 63209280), (340, 60048816), (380, 53727888), (408, 50040680), (456, 44773240), (480, 42534578), (510, 40032544), (544, 37530510), (570, 35818592), (608, 33579930), (646, 31604640), (680, 30024408), (760, 26863944), (816, 25020340), (912, 22386620), (960, 21267289), (969, 21069760), (1020, 20016272), (1088, 18765255), (1140, 17909296), (1216, 16789965), (1292, 15802320), (1360, 15012204), (1520, 13431972), (1615, 12641856), (1632, 12510170), (1824, 11193310), (1938, 10534880), (2040, 10008136), (2280, 8954648), (2584, 7901160), (2720, 7506102), (3040, 6715986), (3230, 6320928), (3264, 6255085), (3648, 5596655), (3876, 5267440), (4080, 5004068), (4560, 4477324), (4845, 4213952), (5168, 3950580), (5440, 3753051), (6080, 3357993), (6460, 3160464), (7752, 2633720), (8160, 2502034), (9120, 2238662), (9690, 2106976), (10336, 1975290), (12920, 1580232), (15504, 1316860), (16320, 1251017), (18240, 1119331), (19380, 1053488), (20672, 987645), (25840, 790116), (31008, 658430), (38760, 526744), (51680, 395058), (62016, 329215), (65843, 310080), (77520, 263372), (103360, 197529), (131686, 155040)]