20979888

素因数分解:

$2^4\times 3^1\times {\mathrm{37}}^1\times {\mathrm{11813}}^1$

素因数の和:11861

約数の個数: 40

約数和(自身を含む): 55667568

約数和(自身を除く): 34687680

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 37, 48, 74, 111, 148, 222, 296, 444, 592, 888, 1776, 11813, 23626, 35439, 47252, 70878, 94504, 141756, 189008, 283512, 437081, 567024, 874162, 1311243, 1748324, 2622486, 3496648, 5244972, 6993296, 10489944, 20979888]

約数ペア:

[(1, 20979888), (2, 10489944), (3, 6993296), (4, 5244972), (6, 3496648), (8, 2622486), (12, 1748324), (16, 1311243), (24, 874162), (37, 567024), (48, 437081), (74, 283512), (111, 189008), (148, 141756), (222, 94504), (296, 70878), (444, 47252), (592, 35439), (888, 23626), (1776, 11813)]