20185110

素因数分解:

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

素因数の和:20413

約数の個数: 48

約数和(自身を含む): 57255120

約数和(自身を除く): 37070010

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 30, 33, 45, 55, 66, 90, 99, 110, 165, 198, 330, 495, 990, 20389, 40778, 61167, 101945, 122334, 183501, 203890, 224279, 305835, 367002, 448558, 611670, 672837, 917505, 1121395, 1345674, 1835010, 2018511, 2242790, 3364185, 4037022, 6728370, 10092555, 20185110]

約数ペア:

[(1, 20185110), (2, 10092555), (3, 6728370), (5, 4037022), (6, 3364185), (9, 2242790), (10, 2018511), (11, 1835010), (15, 1345674), (18, 1121395), (22, 917505), (30, 672837), (33, 611670), (45, 448558), (55, 367002), (66, 305835), (90, 224279), (99, 203890), (110, 183501), (165, 122334), (198, 101945), (330, 61167), (495, 40778), (990, 20389)]