20961308

素因数分解:

$2^2\times {\mathrm{61}}^1\times {\mathrm{271}}^1\times {\mathrm{317}}^1$

素因数の和:653

約数の個数: 24

約数和(自身を含む): 37539264

約数和(自身を除く): 16577956

約数列:

[1, 2, 4, 61, 122, 244, 271, 317, 542, 634, 1084, 1268, 16531, 19337, 33062, 38674, 66124, 77348, 85907, 171814, 343628, 5240327, 10480654, 20961308]

約数ペア:

[(1, 20961308), (2, 10480654), (4, 5240327), (61, 343628), (122, 171814), (244, 85907), (271, 77348), (317, 66124), (542, 38674), (634, 33062), (1084, 19337), (1268, 16531)]