20996896316

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{905507}}^1$

素因数の和:905570

約数の個数: 48

約数和(自身を含む): 43812099072

約数和(自身を除く): 22815202756

約数列:

[1, 2, 4, 11, 17, 22, 31, 34, 44, 62, 68, 124, 187, 341, 374, 527, 682, 748, 1054, 1364, 2108, 5797, 11594, 23188, 905507, 1811014, 3622028, 9960577, 15393619, 19921154, 28070717, 30787238, 39842308, 56141434, 61574476, 112282868, 169329809, 308777887, 338659618, 477202189, 617555774, 677319236, 954404378, 1235111548, 1908808756, 5249224079, 10498448158, 20996896316]

約数ペア:

[(1, 20996896316), (2, 10498448158), (4, 5249224079), (11, 1908808756), (17, 1235111548), (22, 954404378), (31, 677319236), (34, 617555774), (44, 477202189), (62, 338659618), (68, 308777887), (124, 169329809), (187, 112282868), (341, 61574476), (374, 56141434), (527, 39842308), (682, 30787238), (748, 28070717), (1054, 19921154), (1364, 15393619), (2108, 9960577), (5797, 3622028), (11594, 1811014), (23188, 905507)]