20575544

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{3833}}^1$

素因数の和:3911

約数の個数: 32

約数和(自身を含む): 42787440

約数和(自身を除く): 22211896

約数列:

[1, 2, 4, 8, 11, 22, 44, 61, 88, 122, 244, 488, 671, 1342, 2684, 3833, 5368, 7666, 15332, 30664, 42163, 84326, 168652, 233813, 337304, 467626, 935252, 1870504, 2571943, 5143886, 10287772, 20575544]

約数ペア:

[(1, 20575544), (2, 10287772), (4, 5143886), (8, 2571943), (11, 1870504), (22, 935252), (44, 467626), (61, 337304), (88, 233813), (122, 168652), (244, 84326), (488, 42163), (671, 30664), (1342, 15332), (2684, 7666), (3833, 5368)]