20437470

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{5281}}^1$

素因数の和:5337

約数の個数: 48

約数和(自身を含む): 54383472

約数和(自身を除く): 33946002

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 43, 45, 86, 90, 129, 215, 258, 387, 430, 645, 774, 1290, 1935, 3870, 5281, 10562, 15843, 26405, 31686, 47529, 52810, 79215, 95058, 158430, 227083, 237645, 454166, 475290, 681249, 1135415, 1362498, 2043747, 2270830, 3406245, 4087494, 6812490, 10218735, 20437470]

約数ペア:

[(1, 20437470), (2, 10218735), (3, 6812490), (5, 4087494), (6, 3406245), (9, 2270830), (10, 2043747), (15, 1362498), (18, 1135415), (30, 681249), (43, 475290), (45, 454166), (86, 237645), (90, 227083), (129, 158430), (215, 95058), (258, 79215), (387, 52810), (430, 47529), (645, 31686), (774, 26405), (1290, 15843), (1935, 10562), (3870, 5281)]