20512157924

素因数分解:

$2^2\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{1231}}^1\times {\mathrm{1453}}^1$

素因数の和:2796

約数の個数: 48

約数和(自身を含む): 37316944896

約数和(自身を除く): 16804786972

約数列:

[1, 2, 4, 47, 61, 94, 122, 188, 244, 1231, 1453, 2462, 2867, 2906, 4924, 5734, 5812, 11468, 57857, 68291, 75091, 88633, 115714, 136582, 150182, 177266, 231428, 273164, 300364, 354532, 1788643, 3529277, 3577286, 4165751, 7058554, 7154572, 8331502, 14117108, 16663004, 84066221, 109107223, 168132442, 218214446, 336264884, 436428892, 5128039481, 10256078962, 20512157924]

約数ペア:

[(1, 20512157924), (2, 10256078962), (4, 5128039481), (47, 436428892), (61, 336264884), (94, 218214446), (122, 168132442), (188, 109107223), (244, 84066221), (1231, 16663004), (1453, 14117108), (2462, 8331502), (2867, 7154572), (2906, 7058554), (4924, 4165751), (5734, 3577286), (5812, 3529277), (11468, 1788643), (57857, 354532), (68291, 300364), (75091, 273164), (88633, 231428), (115714, 177266), (136582, 150182)]