20008984

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{1151}}^1$

素因数の和:1251

約数の個数: 32

約数和(自身を含む): 39191040

約数和(自身を除く): 19182056

約数列:

[1, 2, 4, 8, 41, 53, 82, 106, 164, 212, 328, 424, 1151, 2173, 2302, 4346, 4604, 8692, 9208, 17384, 47191, 61003, 94382, 122006, 188764, 244012, 377528, 488024, 2501123, 5002246, 10004492, 20008984]

約数ペア:

[(1, 20008984), (2, 10004492), (4, 5002246), (8, 2501123), (41, 488024), (53, 377528), (82, 244012), (106, 188764), (164, 122006), (212, 94382), (328, 61003), (424, 47191), (1151, 17384), (2173, 9208), (2302, 8692), (4346, 4604)]