20176070

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{157}}^1\times {\mathrm{181}}^1$

素因数の和:416

約数の個数: 32

約数和(自身を含む): 37267776

約数和(自身を除く): 17091706

約数列:

[1, 2, 5, 10, 71, 142, 157, 181, 314, 355, 362, 710, 785, 905, 1570, 1810, 11147, 12851, 22294, 25702, 28417, 55735, 56834, 64255, 111470, 128510, 142085, 284170, 2017607, 4035214, 10088035, 20176070]

約数ペア:

[(1, 20176070), (2, 10088035), (5, 4035214), (10, 2017607), (71, 284170), (142, 142085), (157, 128510), (181, 111470), (314, 64255), (355, 56834), (362, 55735), (710, 28417), (785, 25702), (905, 22294), (1570, 12851), (1810, 11147)]