20920470

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{541}}^1\times {\mathrm{1289}}^1$

素因数の和:1840

約数の個数: 32

約数和(自身を含む): 50340960

約数和(自身を除く): 29420490

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 541, 1082, 1289, 1623, 2578, 2705, 3246, 3867, 5410, 6445, 7734, 8115, 12890, 16230, 19335, 38670, 697349, 1394698, 2092047, 3486745, 4184094, 6973490, 10460235, 20920470]

約数ペア:

[(1, 20920470), (2, 10460235), (3, 6973490), (5, 4184094), (6, 3486745), (10, 2092047), (15, 1394698), (30, 697349), (541, 38670), (1082, 19335), (1289, 16230), (1623, 12890), (2578, 8115), (2705, 7734), (3246, 6445), (3867, 5410)]