20780036

素因数分解:

$2^2\times {\mathrm{59}}^1\times {\mathrm{191}}^1\times {\mathrm{461}}^1$

素因数の和:715

約数の個数: 24

約数和(自身を含む): 37255680

約数和(自身を除く): 16475644

約数列:

[1, 2, 4, 59, 118, 191, 236, 382, 461, 764, 922, 1844, 11269, 22538, 27199, 45076, 54398, 88051, 108796, 176102, 352204, 5195009, 10390018, 20780036]

約数ペア:

[(1, 20780036), (2, 10390018), (4, 5195009), (59, 352204), (118, 176102), (191, 108796), (236, 88051), (382, 54398), (461, 45076), (764, 27199), (922, 22538), (1844, 11269)]