20211022

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{163}}^1\times {\mathrm{251}}^1$

素因数の和:448

約数の個数: 32

約数和(自身を含む): 34715520

約数和(自身を除く): 14504498

約数列:

[1, 2, 13, 19, 26, 38, 163, 247, 251, 326, 494, 502, 2119, 3097, 3263, 4238, 4769, 6194, 6526, 9538, 40261, 40913, 61997, 80522, 81826, 123994, 531869, 777347, 1063738, 1554694, 10105511, 20211022]

約数ペア:

[(1, 20211022), (2, 10105511), (13, 1554694), (19, 1063738), (26, 777347), (38, 531869), (163, 123994), (247, 81826), (251, 80522), (326, 61997), (494, 40913), (502, 40261), (2119, 9538), (3097, 6526), (3263, 6194), (4238, 4769)]