201382820

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{324811}}^1$

素因数の和:324851

約数の個数: 24

約数和(自身を含む): 436547328

約数和(自身を除く): 235164508

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 324811, 649622, 1299244, 1624055, 3248110, 6496220, 10069141, 20138282, 40276564, 50345705, 100691410, 201382820]

約数ペア:

[(1, 201382820), (2, 100691410), (4, 50345705), (5, 40276564), (10, 20138282), (20, 10069141), (31, 6496220), (62, 3248110), (124, 1624055), (155, 1299244), (310, 649622), (620, 324811)]