20707796

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{3449}}^1$

素因数の和:3551

約数の個数: 24

約数和(自身を含む): 38640000

約数和(自身を除く): 17932204

約数列:

[1, 2, 4, 19, 38, 76, 79, 158, 316, 1501, 3002, 3449, 6004, 6898, 13796, 65531, 131062, 262124, 272471, 544942, 1089884, 5176949, 10353898, 20707796]

約数ペア:

[(1, 20707796), (2, 10353898), (4, 5176949), (19, 1089884), (38, 544942), (76, 272471), (79, 262124), (158, 131062), (316, 65531), (1501, 13796), (3002, 6898), (3449, 6004)]