20507294220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{389}}^1\times {\mathrm{4049}}^1$

素因数の和:4488

約数の個数: 192

約数和(自身を含む): 67931136000

約数和(自身を除く): 47423841780

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 31, 35, 42, 60, 62, 70, 84, 93, 105, 124, 140, 155, 186, 210, 217, 310, 372, 389, 420, 434, 465, 620, 651, 778, 868, 930, 1085, 1167, 1302, 1556, 1860, 1945, 2170, 2334, 2604, 2723, 3255, 3890, 4049, 4340, 4668, 5446, 5835, 6510, 7780, 8098, 8169, 10892, 11670, 12059, 12147, 13020, 13615, 16196, 16338, 20245, 23340, 24118, 24294, 27230, 28343, 32676, 36177, 40490, 40845, 48236, 48588, 54460, 56686, 60295, 60735, 72354, 80980, 81690, 84413, 85029, 113372, 120590, 121470, 125519, 141715, 144708, 163380, 168826, 170058, 180885, 241180, 242940, 251038, 253239, 283430, 337652, 340116, 361770, 376557, 422065, 425145, 502076, 506478, 566860, 627595, 723540, 753114, 844130, 850290, 878633, 1012956, 1255190, 1266195, 1506228, 1575061, 1688260, 1700580, 1757266, 1882785, 2510380, 2532390, 2635899, 3150122, 3514532, 3765570, 4393165, 4725183, 5064780, 5271798, 6300244, 7531140, 7875305, 8786330, 9450366, 10543596, 11025427, 13179495, 15750610, 17572660, 18900732, 22050854, 23625915, 26358990, 31501220, 33076281, 44101708, 47251830, 48826891, 52717980, 55127135, 66152562, 94503660, 97653782, 110254270, 132305124, 146480673, 165381405, 195307564, 220508540, 244134455, 292961346, 330762810, 341788237, 488268910, 585922692, 661525620, 683576474, 732403365, 976537820, 1025364711, 1367152948, 1464806730, 1708941185, 2050729422, 2929613460, 3417882370, 4101458844, 5126823555, 6835764740, 10253647110, 20507294220]

約数ペア:

[(1, 20507294220), (2, 10253647110), (3, 6835764740), (4, 5126823555), (5, 4101458844), (6, 3417882370), (7, 2929613460), (10, 2050729422), (12, 1708941185), (14, 1464806730), (15, 1367152948), (20, 1025364711), (21, 976537820), (28, 732403365), (30, 683576474), (31, 661525620), (35, 585922692), (42, 488268910), (60, 341788237), (62, 330762810), (70, 292961346), (84, 244134455), (93, 220508540), (105, 195307564), (124, 165381405), (140, 146480673), (155, 132305124), (186, 110254270), (210, 97653782), (217, 94503660), (310, 66152562), (372, 55127135), (389, 52717980), (420, 48826891), (434, 47251830), (465, 44101708), (620, 33076281), (651, 31501220), (778, 26358990), (868, 23625915), (930, 22050854), (1085, 18900732), (1167, 17572660), (1302, 15750610), (1556, 13179495), (1860, 11025427), (1945, 10543596), (2170, 9450366), (2334, 8786330), (2604, 7875305), (2723, 7531140), (3255, 6300244), (3890, 5271798), (4049, 5064780), (4340, 4725183), (4668, 4393165), (5446, 3765570), (5835, 3514532), (6510, 3150122), (7780, 2635899), (8098, 2532390), (8169, 2510380), (10892, 1882785), (11670, 1757266), (12059, 1700580), (12147, 1688260), (13020, 1575061), (13615, 1506228), (16196, 1266195), (16338, 1255190), (20245, 1012956), (23340, 878633), (24118, 850290), (24294, 844130), (27230, 753114), (28343, 723540), (32676, 627595), (36177, 566860), (40490, 506478), (40845, 502076), (48236, 425145), (48588, 422065), (54460, 376557), (56686, 361770), (60295, 340116), (60735, 337652), (72354, 283430), (80980, 253239), (81690, 251038), (84413, 242940), (85029, 241180), (113372, 180885), (120590, 170058), (121470, 168826), (125519, 163380), (141715, 144708)]