20147828740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{367259}}^1$

素因数の和:367492

約数の個数: 48

約数和(自身を含む): 45781162560

約数和(自身を除く): 25633333820

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 211, 260, 422, 844, 1055, 2110, 2743, 4220, 5486, 10972, 13715, 27430, 54860, 367259, 734518, 1469036, 1836295, 3672590, 4774367, 7345180, 9548734, 19097468, 23871835, 47743670, 77491649, 95487340, 154983298, 309966596, 387458245, 774916490, 1007391437, 1549832980, 2014782874, 4029565748, 5036957185, 10073914370, 20147828740]

約数ペア:

[(1, 20147828740), (2, 10073914370), (4, 5036957185), (5, 4029565748), (10, 2014782874), (13, 1549832980), (20, 1007391437), (26, 774916490), (52, 387458245), (65, 309966596), (130, 154983298), (211, 95487340), (260, 77491649), (422, 47743670), (844, 23871835), (1055, 19097468), (2110, 9548734), (2743, 7345180), (4220, 4774367), (5486, 3672590), (10972, 1836295), (13715, 1469036), (27430, 734518), (54860, 367259)]