20645222

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{107}}^1\times {\mathrm{181}}^1$

素因数の和:344

約数の個数: 32

約数和(自身を含む): 34673184

約数和(自身を除く): 14027962

約数列:

[1, 2, 13, 26, 41, 82, 107, 181, 214, 362, 533, 1066, 1391, 2353, 2782, 4387, 4706, 7421, 8774, 14842, 19367, 38734, 57031, 96473, 114062, 192946, 251771, 503542, 794047, 1588094, 10322611, 20645222]

約数ペア:

[(1, 20645222), (2, 10322611), (13, 1588094), (26, 794047), (41, 503542), (82, 251771), (107, 192946), (181, 114062), (214, 96473), (362, 57031), (533, 38734), (1066, 19367), (1391, 14842), (2353, 8774), (2782, 7421), (4387, 4706)]