20130637720

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29603879}}^1$

素因数の和:29603907

約数の個数: 32

約数和(自身を含む): 47958285600

約数和(自身を除く): 27827647880

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 29603879, 59207758, 118415516, 148019395, 236831032, 296038790, 503265943, 592077580, 1006531886, 1184155160, 2013063772, 2516329715, 4026127544, 5032659430, 10065318860, 20130637720]

約数ペア:

[(1, 20130637720), (2, 10065318860), (4, 5032659430), (5, 4026127544), (8, 2516329715), (10, 2013063772), (17, 1184155160), (20, 1006531886), (34, 592077580), (40, 503265943), (68, 296038790), (85, 236831032), (136, 148019395), (170, 118415516), (340, 59207758), (680, 29603879)]