20068180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{4801}}^1$

素因数の和:4840

約数の個数: 48

約数和(自身を含む): 48404160

約数和(自身を除く): 28335980

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 190, 209, 220, 380, 418, 836, 1045, 2090, 4180, 4801, 9602, 19204, 24005, 48010, 52811, 91219, 96020, 105622, 182438, 211244, 264055, 364876, 456095, 528110, 912190, 1003409, 1056220, 1824380, 2006818, 4013636, 5017045, 10034090, 20068180]

約数ペア:

[(1, 20068180), (2, 10034090), (4, 5017045), (5, 4013636), (10, 2006818), (11, 1824380), (19, 1056220), (20, 1003409), (22, 912190), (38, 528110), (44, 456095), (55, 364876), (76, 264055), (95, 211244), (110, 182438), (190, 105622), (209, 96020), (220, 91219), (380, 52811), (418, 48010), (836, 24005), (1045, 19204), (2090, 9602), (4180, 4801)]