13456740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{20389}}^1$

素因数の和:20412

約数の個数: 48

約数和(自身を含む): 41106240

約数和(自身を除く): 27649500

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 132, 165, 220, 330, 660, 20389, 40778, 61167, 81556, 101945, 122334, 203890, 224279, 244668, 305835, 407780, 448558, 611670, 672837, 897116, 1121395, 1223340, 1345674, 2242790, 2691348, 3364185, 4485580, 6728370, 13456740]

約数ペア:

[(1, 13456740), (2, 6728370), (3, 4485580), (4, 3364185), (5, 2691348), (6, 2242790), (10, 1345674), (11, 1223340), (12, 1121395), (15, 897116), (20, 672837), (22, 611670), (30, 448558), (33, 407780), (44, 305835), (55, 244668), (60, 224279), (66, 203890), (110, 122334), (132, 101945), (165, 81556), (220, 61167), (330, 40778), (660, 20389)]