20356268

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{229}}^1\times {\mathrm{313}}^1$

素因数の和:617

約数の個数: 24

約数和(自身を含む): 36398880

約数和(自身を除く): 16042612

約数列:

[1, 2, 4, 71, 142, 229, 284, 313, 458, 626, 916, 1252, 16259, 22223, 32518, 44446, 65036, 71677, 88892, 143354, 286708, 5089067, 10178134, 20356268]

約数ペア:

[(1, 20356268), (2, 10178134), (4, 5089067), (71, 286708), (142, 143354), (229, 88892), (284, 71677), (313, 65036), (458, 44446), (626, 32518), (916, 22223), (1252, 16259)]