20161821308

素因数分解:

$2^2\times {\mathrm{157}}^1\times {\mathrm{32104811}}^1$

素因数の和:32104972

約数の個数: 12

約数和(自身を含む): 35507922072

約数和(自身を除く): 15346100764

約数列:

[1, 2, 4, 157, 314, 628, 32104811, 64209622, 128419244, 5040455327, 10080910654, 20161821308]

約数ペア:

[(1, 20161821308), (2, 10080910654), (4, 5040455327), (157, 128419244), (314, 64209622), (628, 32104811)]