20460968

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{107}}^1$

素因数の和:218

約数の個数: 64

約数和(自身を含む): 44089920

約数和(自身を除く): 23628952

約数列:

[1, 2, 4, 8, 11, 22, 41, 44, 53, 82, 88, 106, 107, 164, 212, 214, 328, 424, 428, 451, 583, 856, 902, 1166, 1177, 1804, 2173, 2332, 2354, 3608, 4346, 4387, 4664, 4708, 5671, 8692, 8774, 9416, 11342, 17384, 17548, 22684, 23903, 35096, 45368, 47806, 48257, 62381, 95612, 96514, 124762, 191224, 193028, 232511, 249524, 386056, 465022, 499048, 930044, 1860088, 2557621, 5115242, 10230484, 20460968]

約数ペア:

[(1, 20460968), (2, 10230484), (4, 5115242), (8, 2557621), (11, 1860088), (22, 930044), (41, 499048), (44, 465022), (53, 386056), (82, 249524), (88, 232511), (106, 193028), (107, 191224), (164, 124762), (212, 96514), (214, 95612), (328, 62381), (424, 48257), (428, 47806), (451, 45368), (583, 35096), (856, 23903), (902, 22684), (1166, 17548), (1177, 17384), (1804, 11342), (2173, 9416), (2332, 8774), (2354, 8692), (3608, 5671), (4346, 4708), (4387, 4664)]