20964170

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{29527}}^1$

素因数の和:29605

約数の個数: 16

約数和(自身を含む): 38268288

約数和(自身を除く): 17304118

約数列:

[1, 2, 5, 10, 71, 142, 355, 710, 29527, 59054, 147635, 295270, 2096417, 4192834, 10482085, 20964170]

約数ペア:

[(1, 20964170), (2, 10482085), (5, 4192834), (10, 2096417), (71, 295270), (142, 147635), (355, 59054), (710, 29527)]