20175653940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{364313}}^1$

素因数の和:364409

約数の個数: 96

約数和(自身を含む): 61694390016

約数和(自身を除く): 41518736076

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 71, 78, 130, 142, 156, 195, 213, 260, 284, 355, 390, 426, 710, 780, 852, 923, 1065, 1420, 1846, 2130, 2769, 3692, 4260, 4615, 5538, 9230, 11076, 13845, 18460, 27690, 55380, 364313, 728626, 1092939, 1457252, 1821565, 2185878, 3643130, 4371756, 4736069, 5464695, 7286260, 9472138, 10929390, 14208207, 18944276, 21858780, 23680345, 25866223, 28416414, 47360690, 51732446, 56832828, 71041035, 77598669, 94721380, 103464892, 129331115, 142082070, 155197338, 258662230, 284164140, 310394676, 336260899, 387993345, 517324460, 672521798, 775986690, 1008782697, 1345043596, 1551973380, 1681304495, 2017565394, 3362608990, 4035130788, 5043913485, 6725217980, 10087826970, 20175653940]

約数ペア:

[(1, 20175653940), (2, 10087826970), (3, 6725217980), (4, 5043913485), (5, 4035130788), (6, 3362608990), (10, 2017565394), (12, 1681304495), (13, 1551973380), (15, 1345043596), (20, 1008782697), (26, 775986690), (30, 672521798), (39, 517324460), (52, 387993345), (60, 336260899), (65, 310394676), (71, 284164140), (78, 258662230), (130, 155197338), (142, 142082070), (156, 129331115), (195, 103464892), (213, 94721380), (260, 77598669), (284, 71041035), (355, 56832828), (390, 51732446), (426, 47360690), (710, 28416414), (780, 25866223), (852, 23680345), (923, 21858780), (1065, 18944276), (1420, 14208207), (1846, 10929390), (2130, 9472138), (2769, 7286260), (3692, 5464695), (4260, 4736069), (4615, 4371756), (5538, 3643130), (9230, 2185878), (11076, 1821565), (13845, 1457252), (18460, 1092939), (27690, 728626), (55380, 364313)]