20960436

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{829}}^1$

素因数の和:893

約数の個数: 72

約数和(自身を含む): 58285920

約数和(自身を除く): 37325484

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 43, 49, 84, 86, 98, 129, 147, 172, 196, 258, 294, 301, 516, 588, 602, 829, 903, 1204, 1658, 1806, 2107, 2487, 3316, 3612, 4214, 4974, 5803, 6321, 8428, 9948, 11606, 12642, 17409, 23212, 25284, 34818, 35647, 40621, 69636, 71294, 81242, 106941, 121863, 142588, 162484, 213882, 243726, 249529, 427764, 487452, 499058, 748587, 998116, 1497174, 1746703, 2994348, 3493406, 5240109, 6986812, 10480218, 20960436]

約数ペア:

[(1, 20960436), (2, 10480218), (3, 6986812), (4, 5240109), (6, 3493406), (7, 2994348), (12, 1746703), (14, 1497174), (21, 998116), (28, 748587), (42, 499058), (43, 487452), (49, 427764), (84, 249529), (86, 243726), (98, 213882), (129, 162484), (147, 142588), (172, 121863), (196, 106941), (258, 81242), (294, 71294), (301, 69636), (516, 40621), (588, 35647), (602, 34818), (829, 25284), (903, 23212), (1204, 17409), (1658, 12642), (1806, 11606), (2107, 9948), (2487, 8428), (3316, 6321), (3612, 5803), (4214, 4974)]