20788922

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{2213}}^1$

素因数の和:2294

約数の個数: 32

約数和(自身を含む): 39533184

約数和(自身を除く): 18744262

約数列:

[1, 2, 7, 11, 14, 22, 61, 77, 122, 154, 427, 671, 854, 1342, 2213, 4426, 4697, 9394, 15491, 24343, 30982, 48686, 134993, 170401, 269986, 340802, 944951, 1484923, 1889902, 2969846, 10394461, 20788922]

約数ペア:

[(1, 20788922), (2, 10394461), (7, 2969846), (11, 1889902), (14, 1484923), (22, 944951), (61, 340802), (77, 269986), (122, 170401), (154, 134993), (427, 48686), (671, 30982), (854, 24343), (1342, 15491), (2213, 9394), (4426, 4697)]