20270484

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{43313}}^1$

素因数の和:43336

約数の個数: 36

約数和(自身を含む): 55182036

約数和(自身を除く): 34911552

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 468, 43313, 86626, 129939, 173252, 259878, 389817, 519756, 563069, 779634, 1126138, 1559268, 1689207, 2252276, 3378414, 5067621, 6756828, 10135242, 20270484]

約数ペア:

[(1, 20270484), (2, 10135242), (3, 6756828), (4, 5067621), (6, 3378414), (9, 2252276), (12, 1689207), (13, 1559268), (18, 1126138), (26, 779634), (36, 563069), (39, 519756), (52, 389817), (78, 259878), (117, 173252), (156, 129939), (234, 86626), (468, 43313)]