20761279484

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{223}}^1\times {\mathrm{34687}}^1$

素因数の和:34986

約数の個数: 48

約数和(自身を含む): 40466743296

約数和(自身を除く): 19705463812

約数列:

[1, 2, 4, 11, 22, 44, 61, 122, 223, 244, 446, 671, 892, 1342, 2453, 2684, 4906, 9812, 13603, 27206, 34687, 54412, 69374, 138748, 149633, 299266, 381557, 598532, 763114, 1526228, 2115907, 4231814, 7735201, 8463628, 15470402, 23274977, 30940804, 46549954, 85087211, 93099908, 170174422, 340348844, 471847261, 943694522, 1887389044, 5190319871, 10380639742, 20761279484]

約数ペア:

[(1, 20761279484), (2, 10380639742), (4, 5190319871), (11, 1887389044), (22, 943694522), (44, 471847261), (61, 340348844), (122, 170174422), (223, 93099908), (244, 85087211), (446, 46549954), (671, 30940804), (892, 23274977), (1342, 15470402), (2453, 8463628), (2684, 7735201), (4906, 4231814), (9812, 2115907), (13603, 1526228), (27206, 763114), (34687, 598532), (54412, 381557), (69374, 299266), (138748, 149633)]