20871758205

素因数分解:

$3^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{751}}^1\times {\mathrm{6367}}^1$

素因数の和:7226

約数の個数: 48

約数和(自身を含む): 36605097984

約数和(自身を除く): 15733339779

約数列:

[1, 3, 5, 9, 15, 45, 97, 291, 485, 751, 873, 1455, 2253, 3755, 4365, 6367, 6759, 11265, 19101, 31835, 33795, 57303, 72847, 95505, 218541, 286515, 364235, 617599, 655623, 1092705, 1852797, 3087995, 3278115, 4781617, 5558391, 9263985, 14344851, 23908085, 27791955, 43034553, 71724255, 215172765, 463816849, 1391450547, 2319084245, 4174351641, 6957252735, 20871758205]

約数ペア:

[(1, 20871758205), (3, 6957252735), (5, 4174351641), (9, 2319084245), (15, 1391450547), (45, 463816849), (97, 215172765), (291, 71724255), (485, 43034553), (751, 27791955), (873, 23908085), (1455, 14344851), (2253, 9263985), (3755, 5558391), (4365, 4781617), (6367, 3278115), (6759, 3087995), (11265, 1852797), (19101, 1092705), (31835, 655623), (33795, 617599), (57303, 364235), (72847, 286515), (95505, 218541)]