20974485

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{3769}}^1$

素因数の和:3837

約数の個数: 32

約数和(自身を含む): 39087360

約数和(自身を除く): 18112875

約数列:

[1, 3, 5, 7, 15, 21, 35, 53, 105, 159, 265, 371, 795, 1113, 1855, 3769, 5565, 11307, 18845, 26383, 56535, 79149, 131915, 199757, 395745, 599271, 998785, 1398299, 2996355, 4194897, 6991495, 20974485]

約数ペア:

[(1, 20974485), (3, 6991495), (5, 4194897), (7, 2996355), (15, 1398299), (21, 998785), (35, 599271), (53, 395745), (105, 199757), (159, 131915), (265, 79149), (371, 56535), (795, 26383), (1113, 18845), (1855, 11307), (3769, 5565)]