20388930

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{211}}^1\times {\mathrm{3221}}^1$

素因数の和:3442

約数の個数: 32

約数和(自身を含む): 49180608

約数和(自身を除く): 28791678

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 211, 422, 633, 1055, 1266, 2110, 3165, 3221, 6330, 6442, 9663, 16105, 19326, 32210, 48315, 96630, 679631, 1359262, 2038893, 3398155, 4077786, 6796310, 10194465, 20388930]

約数ペア:

[(1, 20388930), (2, 10194465), (3, 6796310), (5, 4077786), (6, 3398155), (10, 2038893), (15, 1359262), (30, 679631), (211, 96630), (422, 48315), (633, 32210), (1055, 19326), (1266, 16105), (2110, 9663), (3165, 6442), (3221, 6330)]