20147720

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29629}}^1$

素因数の和:29657

約数の個数: 32

約数和(自身を含む): 48000600

約数和(自身を除く): 27852880

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 29629, 59258, 118516, 148145, 237032, 296290, 503693, 592580, 1007386, 1185160, 2014772, 2518465, 4029544, 5036930, 10073860, 20147720]

約数ペア:

[(1, 20147720), (2, 10073860), (4, 5036930), (5, 4029544), (8, 2518465), (10, 2014772), (17, 1185160), (20, 1007386), (34, 592580), (40, 503693), (68, 296290), (85, 237032), (136, 148145), (170, 118516), (340, 59258), (680, 29629)]