20311238

素因数分解:

$2^1\times {\mathrm{47}}^1\times {\mathrm{173}}^1\times {\mathrm{1249}}^1$

素因数の和:1471

約数の個数: 16

約数和(自身を含む): 31320000

約数和(自身を除く): 11008762

約数列:

[1, 2, 47, 94, 173, 346, 1249, 2498, 8131, 16262, 58703, 117406, 216077, 432154, 10155619, 20311238]

約数ペア:

[(1, 20311238), (2, 10155619), (47, 432154), (94, 216077), (173, 117406), (346, 58703), (1249, 16262), (2498, 8131)]