20135984

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{191}}^1\times {\mathrm{599}}^1$

素因数の和:809

約数の個数: 40

約数和(自身を含む): 42854400

約数和(自身を除く): 22718416

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 191, 382, 599, 764, 1198, 1528, 2101, 2396, 3056, 4202, 4792, 6589, 8404, 9584, 13178, 16808, 26356, 33616, 52712, 105424, 114409, 228818, 457636, 915272, 1258499, 1830544, 2516998, 5033996, 10067992, 20135984]

約数ペア:

[(1, 20135984), (2, 10067992), (4, 5033996), (8, 2516998), (11, 1830544), (16, 1258499), (22, 915272), (44, 457636), (88, 228818), (176, 114409), (191, 105424), (382, 52712), (599, 33616), (764, 26356), (1198, 16808), (1528, 13178), (2101, 9584), (2396, 8404), (3056, 6589), (4202, 4792)]