20073587560

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{809}}^1\times {\mathrm{47717}}^1$

素因数の和:48550

約数の個数: 64

約数和(自身を含む): 48700990800

約数和(自身を除く): 28627403240

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 809, 1618, 3236, 4045, 6472, 8090, 10517, 16180, 21034, 32360, 42068, 47717, 52585, 84136, 95434, 105170, 190868, 210340, 238585, 381736, 420680, 477170, 620321, 954340, 1240642, 1908680, 2481284, 3101605, 4962568, 6203210, 12406420, 24812840, 38603053, 77206106, 154412212, 193015265, 308824424, 386030530, 501839689, 772061060, 1003679378, 1544122120, 2007358756, 2509198445, 4014717512, 5018396890, 10036793780, 20073587560]

約数ペア:

[(1, 20073587560), (2, 10036793780), (4, 5018396890), (5, 4014717512), (8, 2509198445), (10, 2007358756), (13, 1544122120), (20, 1003679378), (26, 772061060), (40, 501839689), (52, 386030530), (65, 308824424), (104, 193015265), (130, 154412212), (260, 77206106), (520, 38603053), (809, 24812840), (1618, 12406420), (3236, 6203210), (4045, 4962568), (6472, 3101605), (8090, 2481284), (10517, 1908680), (16180, 1240642), (21034, 954340), (32360, 620321), (42068, 477170), (47717, 420680), (52585, 381736), (84136, 238585), (95434, 210340), (105170, 190868)]