20321247840

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{131071}}^1$

素因数の和:131125

約数の個数: 192

約数和(自身を含む): 71345111040

約数和(自身を除く): 51023863200

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, 68, 76, 80, 85, 95, 96, 102, 114, 120, 136, 152, 160, 170, 190, 204, 228, 240, 255, 272, 285, 304, 323, 340, 380, 408, 456, 480, 510, 544, 570, 608, 646, 680, 760, 816, 912, 969, 1020, 1140, 1292, 1360, 1520, 1615, 1632, 1824, 1938, 2040, 2280, 2584, 2720, 3040, 3230, 3876, 4080, 4560, 4845, 5168, 6460, 7752, 8160, 9120, 9690, 10336, 12920, 15504, 19380, 25840, 31008, 38760, 51680, 77520, 131071, 155040, 262142, 393213, 524284, 655355, 786426, 1048568, 1310710, 1572852, 1966065, 2097136, 2228207, 2490349, 2621420, 3145704, 3932130, 4194272, 4456414, 4980698, 5242840, 6291408, 6684621, 7471047, 7864260, 8912828, 9961396, 10485680, 11141035, 12451745, 12582816, 13369242, 14942094, 15728520, 17825656, 19922792, 20971360, 22282070, 24903490, 26738484, 29884188, 31457040, 33423105, 35651312, 37355235, 39845584, 42335933, 44564140, 49806980, 53476968, 59768376, 62914080, 66846210, 71302624, 74710470, 79691168, 84671866, 89128280, 99613960, 106953936, 119536752, 127007799, 133692420, 149420940, 169343732, 178256560, 199227920, 211679665, 213907872, 239073504, 254015598, 267384840, 298841880, 338687464, 356513120, 398455840, 423359330, 508031196, 534769680, 597683760, 635038995, 677374928, 846718660, 1016062392, 1069539360, 1195367520, 1270077990, 1354749856, 1693437320, 2032124784, 2540155980, 3386874640, 4064249568, 5080311960, 6773749280, 10160623920, 20321247840]

約数ペア:

[(1, 20321247840), (2, 10160623920), (3, 6773749280), (4, 5080311960), (5, 4064249568), (6, 3386874640), (8, 2540155980), (10, 2032124784), (12, 1693437320), (15, 1354749856), (16, 1270077990), (17, 1195367520), (19, 1069539360), (20, 1016062392), (24, 846718660), (30, 677374928), (32, 635038995), (34, 597683760), (38, 534769680), (40, 508031196), (48, 423359330), (51, 398455840), (57, 356513120), (60, 338687464), (68, 298841880), (76, 267384840), (80, 254015598), (85, 239073504), (95, 213907872), (96, 211679665), (102, 199227920), (114, 178256560), (120, 169343732), (136, 149420940), (152, 133692420), (160, 127007799), (170, 119536752), (190, 106953936), (204, 99613960), (228, 89128280), (240, 84671866), (255, 79691168), (272, 74710470), (285, 71302624), (304, 66846210), (323, 62914080), (340, 59768376), (380, 53476968), (408, 49806980), (456, 44564140), (480, 42335933), (510, 39845584), (544, 37355235), (570, 35651312), (608, 33423105), (646, 31457040), (680, 29884188), (760, 26738484), (816, 24903490), (912, 22282070), (969, 20971360), (1020, 19922792), (1140, 17825656), (1292, 15728520), (1360, 14942094), (1520, 13369242), (1615, 12582816), (1632, 12451745), (1824, 11141035), (1938, 10485680), (2040, 9961396), (2280, 8912828), (2584, 7864260), (2720, 7471047), (3040, 6684621), (3230, 6291408), (3876, 5242840), (4080, 4980698), (4560, 4456414), (4845, 4194272), (5168, 3932130), (6460, 3145704), (7752, 2621420), (8160, 2490349), (9120, 2228207), (9690, 2097136), (10336, 1966065), (12920, 1572852), (15504, 1310710), (19380, 1048568), (25840, 786426), (31008, 655355), (38760, 524284), (51680, 393213), (77520, 262142), (131071, 155040)]