20930160

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{2357}}^1$

素因数の和:2410

約数の個数: 80

約数和(自身を含む): 66665376

約数和(自身を除く): 45735216

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 37, 40, 48, 60, 74, 80, 111, 120, 148, 185, 222, 240, 296, 370, 444, 555, 592, 740, 888, 1110, 1480, 1776, 2220, 2357, 2960, 4440, 4714, 7071, 8880, 9428, 11785, 14142, 18856, 23570, 28284, 35355, 37712, 47140, 56568, 70710, 87209, 94280, 113136, 141420, 174418, 188560, 261627, 282840, 348836, 436045, 523254, 565680, 697672, 872090, 1046508, 1308135, 1395344, 1744180, 2093016, 2616270, 3488360, 4186032, 5232540, 6976720, 10465080, 20930160]

約数ペア:

[(1, 20930160), (2, 10465080), (3, 6976720), (4, 5232540), (5, 4186032), (6, 3488360), (8, 2616270), (10, 2093016), (12, 1744180), (15, 1395344), (16, 1308135), (20, 1046508), (24, 872090), (30, 697672), (37, 565680), (40, 523254), (48, 436045), (60, 348836), (74, 282840), (80, 261627), (111, 188560), (120, 174418), (148, 141420), (185, 113136), (222, 94280), (240, 87209), (296, 70710), (370, 56568), (444, 47140), (555, 37712), (592, 35355), (740, 28284), (888, 23570), (1110, 18856), (1480, 14142), (1776, 11785), (2220, 9428), (2357, 8880), (2960, 7071), (4440, 4714)]