20625352

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{811}}^1$

素因数の和:862

約数の個数: 48

約数和(自身を含む): 44871120

約数和(自身を除く): 24245768

約数列:

[1, 2, 4, 8, 11, 17, 22, 34, 44, 68, 88, 136, 187, 289, 374, 578, 748, 811, 1156, 1496, 1622, 2312, 3179, 3244, 6358, 6488, 8921, 12716, 13787, 17842, 25432, 27574, 35684, 55148, 71368, 110296, 151657, 234379, 303314, 468758, 606628, 937516, 1213256, 1875032, 2578169, 5156338, 10312676, 20625352]

約数ペア:

[(1, 20625352), (2, 10312676), (4, 5156338), (8, 2578169), (11, 1875032), (17, 1213256), (22, 937516), (34, 606628), (44, 468758), (68, 303314), (88, 234379), (136, 151657), (187, 110296), (289, 71368), (374, 55148), (578, 35684), (748, 27574), (811, 25432), (1156, 17842), (1496, 13787), (1622, 12716), (2312, 8921), (3179, 6488), (3244, 6358)]