20323692

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{691}}^1$

素因数の和:763

約数の個数: 72

約数和(自身を含む): 55415360

約数和(自身を除く): 35091668

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 43, 57, 76, 86, 114, 129, 171, 172, 228, 258, 342, 387, 516, 684, 691, 774, 817, 1382, 1548, 1634, 2073, 2451, 2764, 3268, 4146, 4902, 6219, 7353, 8292, 9804, 12438, 13129, 14706, 24876, 26258, 29412, 29713, 39387, 52516, 59426, 78774, 89139, 118161, 118852, 157548, 178278, 236322, 267417, 356556, 472644, 534834, 564547, 1069668, 1129094, 1693641, 2258188, 3387282, 5080923, 6774564, 10161846, 20323692]

約数ペア:

[(1, 20323692), (2, 10161846), (3, 6774564), (4, 5080923), (6, 3387282), (9, 2258188), (12, 1693641), (18, 1129094), (19, 1069668), (36, 564547), (38, 534834), (43, 472644), (57, 356556), (76, 267417), (86, 236322), (114, 178278), (129, 157548), (171, 118852), (172, 118161), (228, 89139), (258, 78774), (342, 59426), (387, 52516), (516, 39387), (684, 29713), (691, 29412), (774, 26258), (817, 24876), (1382, 14706), (1548, 13129), (1634, 12438), (2073, 9804), (2451, 8292), (2764, 7353), (3268, 6219), (4146, 4902)]