20281702

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{4013}}^1$

素因数の和:4060

約数の個数: 24

約数和(自身を含む): 36704016

約数和(自身を除く): 16422314

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 361, 722, 2527, 4013, 5054, 8026, 28091, 56182, 76247, 152494, 533729, 1067458, 1448693, 2897386, 10140851, 20281702]

約数ペア:

[(1, 20281702), (2, 10140851), (7, 2897386), (14, 1448693), (19, 1067458), (38, 533729), (133, 152494), (266, 76247), (361, 56182), (722, 28091), (2527, 8026), (4013, 5054)]