20136740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{1889}}^1$

素因数の和:1952

約数の個数: 48

約数和(自身を含む): 46675440

約数和(自身を除く): 26538700

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 41, 52, 65, 82, 130, 164, 205, 260, 410, 533, 820, 1066, 1889, 2132, 2665, 3778, 5330, 7556, 9445, 10660, 18890, 24557, 37780, 49114, 77449, 98228, 122785, 154898, 245570, 309796, 387245, 491140, 774490, 1006837, 1548980, 2013674, 4027348, 5034185, 10068370, 20136740]

約数ペア:

[(1, 20136740), (2, 10068370), (4, 5034185), (5, 4027348), (10, 2013674), (13, 1548980), (20, 1006837), (26, 774490), (41, 491140), (52, 387245), (65, 309796), (82, 245570), (130, 154898), (164, 122785), (205, 98228), (260, 77449), (410, 49114), (533, 37780), (820, 24557), (1066, 18890), (1889, 10660), (2132, 9445), (2665, 7556), (3778, 5330)]