20105560

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29567}}^1$

素因数の和:29595

約数の個数: 32

約数和(自身を含む): 47900160

約数和(自身を除く): 27794600

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 29567, 59134, 118268, 147835, 236536, 295670, 502639, 591340, 1005278, 1182680, 2010556, 2513195, 4021112, 5026390, 10052780, 20105560]

約数ペア:

[(1, 20105560), (2, 10052780), (4, 5026390), (5, 4021112), (8, 2513195), (10, 2010556), (17, 1182680), (20, 1005278), (34, 591340), (40, 502639), (68, 295670), (85, 236536), (136, 147835), (170, 118268), (340, 59134), (680, 29567)]