20205909378

素因数分解:

$2^1\times 3^3\times {\mathrm{41}}^1\times {\mathrm{661}}^1\times {\mathrm{13807}}^1$

素因数の和:14520

約数の個数: 64

約数和(自身を含む): 46070115840

約数和(自身を除く): 25864206462

約数列:

[1, 2, 3, 6, 9, 18, 27, 41, 54, 82, 123, 246, 369, 661, 738, 1107, 1322, 1983, 2214, 3966, 5949, 11898, 13807, 17847, 27101, 27614, 35694, 41421, 54202, 81303, 82842, 124263, 162606, 243909, 248526, 372789, 487818, 566087, 731727, 745578, 1132174, 1463454, 1698261, 3396522, 5094783, 9126427, 10189566, 15284349, 18252854, 27379281, 30568698, 54758562, 82137843, 164275686, 246413529, 374183507, 492827058, 748367014, 1122550521, 2245101042, 3367651563, 6735303126, 10102954689, 20205909378]

約数ペア:

[(1, 20205909378), (2, 10102954689), (3, 6735303126), (6, 3367651563), (9, 2245101042), (18, 1122550521), (27, 748367014), (41, 492827058), (54, 374183507), (82, 246413529), (123, 164275686), (246, 82137843), (369, 54758562), (661, 30568698), (738, 27379281), (1107, 18252854), (1322, 15284349), (1983, 10189566), (2214, 9126427), (3966, 5094783), (5949, 3396522), (11898, 1698261), (13807, 1463454), (17847, 1132174), (27101, 745578), (27614, 731727), (35694, 566087), (41421, 487818), (54202, 372789), (81303, 248526), (82842, 243909), (124263, 162606)]