20210909668

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{2671987}}^1$

素因数の和:2672083

約数の個数: 24

約数和(自身を含む): 37108569344

約数和(自身を除く): 16897659676

約数列:

[1, 2, 4, 31, 61, 62, 122, 124, 244, 1891, 3782, 7564, 2671987, 5343974, 10687948, 82831597, 162991207, 165663194, 325982414, 331326388, 651964828, 5052727417, 10105454834, 20210909668]

約数ペア:

[(1, 20210909668), (2, 10105454834), (4, 5052727417), (31, 651964828), (61, 331326388), (62, 325982414), (122, 165663194), (124, 162991207), (244, 82831597), (1891, 10687948), (3782, 5343974), (7564, 2671987)]