20378044

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{257}}^1\times {\mathrm{461}}^1$

素因数の和:765

約数の個数: 24

約数和(自身を含む): 36712368

約数和(自身を除く): 16334324

約数列:

[1, 2, 4, 43, 86, 172, 257, 461, 514, 922, 1028, 1844, 11051, 19823, 22102, 39646, 44204, 79292, 118477, 236954, 473908, 5094511, 10189022, 20378044]

約数ペア:

[(1, 20378044), (2, 10189022), (4, 5094511), (43, 473908), (86, 236954), (172, 118477), (257, 79292), (461, 44204), (514, 39646), (922, 22102), (1028, 19823), (1844, 11051)]