20775816

素因数分解:

$2^3\times 3^2\times {\mathrm{19}}^1\times {\mathrm{15187}}^1$

素因数の和:15218

約数の個数: 48

約数和(自身を含む): 59233200

約数和(自身を除く): 38457384

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 19, 24, 36, 38, 57, 72, 76, 114, 152, 171, 228, 342, 456, 684, 1368, 15187, 30374, 45561, 60748, 91122, 121496, 136683, 182244, 273366, 288553, 364488, 546732, 577106, 865659, 1093464, 1154212, 1731318, 2308424, 2596977, 3462636, 5193954, 6925272, 10387908, 20775816]

約数ペア:

[(1, 20775816), (2, 10387908), (3, 6925272), (4, 5193954), (6, 3462636), (8, 2596977), (9, 2308424), (12, 1731318), (18, 1154212), (19, 1093464), (24, 865659), (36, 577106), (38, 546732), (57, 364488), (72, 288553), (76, 273366), (114, 182244), (152, 136683), (171, 121496), (228, 91122), (342, 60748), (456, 45561), (684, 30374), (1368, 15187)]