20211090896

素因数分解:

$2^4\times {\mathrm{127}}^1\times {\mathrm{1663}}^1\times {\mathrm{5981}}^1$

素因数の和:7779

約数の個数: 40

約数和(自身を含む): 39497662464

約数和(自身を除く): 19286571568

約数列:

[1, 2, 4, 8, 16, 127, 254, 508, 1016, 1663, 2032, 3326, 5981, 6652, 11962, 13304, 23924, 26608, 47848, 95696, 211201, 422402, 759587, 844804, 1519174, 1689608, 3038348, 3379216, 6076696, 9946403, 12153392, 19892806, 39785612, 79571224, 159142448, 1263193181, 2526386362, 5052772724, 10105545448, 20211090896]

約数ペア:

[(1, 20211090896), (2, 10105545448), (4, 5052772724), (8, 2526386362), (16, 1263193181), (127, 159142448), (254, 79571224), (508, 39785612), (1016, 19892806), (1663, 12153392), (2032, 9946403), (3326, 6076696), (5981, 3379216), (6652, 3038348), (11962, 1689608), (13304, 1519174), (23924, 844804), (26608, 759587), (47848, 422402), (95696, 211201)]