20873416

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{4951}}^1$

素因数の和:5005

約数の個数: 32

約数和(自身を含む): 42785280

約数和(自身を除く): 21911864

約数列:

[1, 2, 4, 8, 17, 31, 34, 62, 68, 124, 136, 248, 527, 1054, 2108, 4216, 4951, 9902, 19804, 39608, 84167, 153481, 168334, 306962, 336668, 613924, 673336, 1227848, 2609177, 5218354, 10436708, 20873416]

約数ペア:

[(1, 20873416), (2, 10436708), (4, 5218354), (8, 2609177), (17, 1227848), (31, 673336), (34, 613924), (62, 336668), (68, 306962), (124, 168334), (136, 153481), (248, 84167), (527, 39608), (1054, 19804), (2108, 9902), (4216, 4951)]