20215173840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{421}}^1\times {\mathrm{6899}}^1$

素因数の和:7365

約数の個数: 160

約数和(自身を含む): 64991376000

約数和(自身を除く): 44776202160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 29, 30, 40, 48, 58, 60, 80, 87, 116, 120, 145, 174, 232, 240, 290, 348, 421, 435, 464, 580, 696, 842, 870, 1160, 1263, 1392, 1684, 1740, 2105, 2320, 2526, 3368, 3480, 4210, 5052, 6315, 6736, 6899, 6960, 8420, 10104, 12209, 12630, 13798, 16840, 20208, 20697, 24418, 25260, 27596, 33680, 34495, 36627, 41394, 48836, 50520, 55192, 61045, 68990, 73254, 82788, 97672, 101040, 103485, 110384, 122090, 137980, 146508, 165576, 183135, 195344, 200071, 206970, 244180, 275960, 293016, 331152, 366270, 400142, 413940, 488360, 551920, 586032, 600213, 732540, 800284, 827880, 976720, 1000355, 1200426, 1465080, 1600568, 1655760, 2000710, 2400852, 2904479, 2930160, 3001065, 3201136, 4001420, 4801704, 5808958, 6002130, 8002840, 8713437, 9603408, 11617916, 12004260, 14522395, 16005680, 17426874, 23235832, 24008520, 29044790, 34853748, 43567185, 46471664, 48017040, 58089580, 69707496, 84229891, 87134370, 116179160, 139414992, 168459782, 174268740, 232358320, 252689673, 336919564, 348537480, 421149455, 505379346, 673839128, 697074960, 842298910, 1010758692, 1263448365, 1347678256, 1684597820, 2021517384, 2526896730, 3369195640, 4043034768, 5053793460, 6738391280, 10107586920, 20215173840]

約数ペア:

[(1, 20215173840), (2, 10107586920), (3, 6738391280), (4, 5053793460), (5, 4043034768), (6, 3369195640), (8, 2526896730), (10, 2021517384), (12, 1684597820), (15, 1347678256), (16, 1263448365), (20, 1010758692), (24, 842298910), (29, 697074960), (30, 673839128), (40, 505379346), (48, 421149455), (58, 348537480), (60, 336919564), (80, 252689673), (87, 232358320), (116, 174268740), (120, 168459782), (145, 139414992), (174, 116179160), (232, 87134370), (240, 84229891), (290, 69707496), (348, 58089580), (421, 48017040), (435, 46471664), (464, 43567185), (580, 34853748), (696, 29044790), (842, 24008520), (870, 23235832), (1160, 17426874), (1263, 16005680), (1392, 14522395), (1684, 12004260), (1740, 11617916), (2105, 9603408), (2320, 8713437), (2526, 8002840), (3368, 6002130), (3480, 5808958), (4210, 4801704), (5052, 4001420), (6315, 3201136), (6736, 3001065), (6899, 2930160), (6960, 2904479), (8420, 2400852), (10104, 2000710), (12209, 1655760), (12630, 1600568), (13798, 1465080), (16840, 1200426), (20208, 1000355), (20697, 976720), (24418, 827880), (25260, 800284), (27596, 732540), (33680, 600213), (34495, 586032), (36627, 551920), (41394, 488360), (48836, 413940), (50520, 400142), (55192, 366270), (61045, 331152), (68990, 293016), (73254, 275960), (82788, 244180), (97672, 206970), (101040, 200071), (103485, 195344), (110384, 183135), (122090, 165576), (137980, 146508)]