20870164225

素因数分解:

$5^2\times {\mathrm{71}}^1\times {\mathrm{971}}^1\times {\mathrm{12109}}^1$

素因数の和:13161

約数の個数: 24

約数和(自身を含む): 26272693440

約数和(自身を除く): 5402529215

約数列:

[1, 5, 25, 71, 355, 971, 1775, 4855, 12109, 24275, 60545, 68941, 302725, 344705, 859739, 1723525, 4298695, 11757839, 21493475, 58789195, 293945975, 834806569, 4174032845, 20870164225]

約数ペア:

[(1, 20870164225), (5, 4174032845), (25, 834806569), (71, 293945975), (355, 58789195), (971, 21493475), (1775, 11757839), (4855, 4298695), (12109, 1723525), (24275, 859739), (60545, 344705), (68941, 302725)]