20351032

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{2477}}^1$

素因数の和:2575

約数の個数: 32

約数和(自身を含む): 41630400

約数和(自身を除く): 21279368

約数列:

[1, 2, 4, 8, 13, 26, 52, 79, 104, 158, 316, 632, 1027, 2054, 2477, 4108, 4954, 8216, 9908, 19816, 32201, 64402, 128804, 195683, 257608, 391366, 782732, 1565464, 2543879, 5087758, 10175516, 20351032]

約数ペア:

[(1, 20351032), (2, 10175516), (4, 5087758), (8, 2543879), (13, 1565464), (26, 782732), (52, 391366), (79, 257608), (104, 195683), (158, 128804), (316, 64402), (632, 32201), (1027, 19816), (2054, 9908), (2477, 8216), (4108, 4954)]