20007883638

素因数分解:

$2^1\times 3^2\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{539849}}^1$

素因数の和:539957

約数の個数: 48

約数和(自身を含む): 45476964000

約数和(自身を除く): 25469080362

約数列:

[1, 2, 3, 6, 9, 18, 29, 58, 71, 87, 142, 174, 213, 261, 426, 522, 639, 1278, 2059, 4118, 6177, 12354, 18531, 37062, 539849, 1079698, 1619547, 3239094, 4858641, 9717282, 15655621, 31311242, 38329279, 46966863, 76658558, 93933726, 114987837, 140900589, 229975674, 281801178, 344963511, 689927022, 1111549091, 2223098182, 3334647273, 6669294546, 10003941819, 20007883638]

約数ペア:

[(1, 20007883638), (2, 10003941819), (3, 6669294546), (6, 3334647273), (9, 2223098182), (18, 1111549091), (29, 689927022), (58, 344963511), (71, 281801178), (87, 229975674), (142, 140900589), (174, 114987837), (213, 93933726), (261, 76658558), (426, 46966863), (522, 38329279), (639, 31311242), (1278, 15655621), (2059, 9717282), (4118, 4858641), (6177, 3239094), (12354, 1619547), (18531, 1079698), (37062, 539849)]