20470168

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{1399}}^1$

素因数の和:1495

約数の個数: 32

約数和(自身を含む): 40320000

約数和(自身を除く): 19849832

約数列:

[1, 2, 4, 8, 31, 59, 62, 118, 124, 236, 248, 472, 1399, 1829, 2798, 3658, 5596, 7316, 11192, 14632, 43369, 82541, 86738, 165082, 173476, 330164, 346952, 660328, 2558771, 5117542, 10235084, 20470168]

約数ペア:

[(1, 20470168), (2, 10235084), (4, 5117542), (8, 2558771), (31, 660328), (59, 346952), (62, 330164), (118, 173476), (124, 165082), (236, 86738), (248, 82541), (472, 43369), (1399, 14632), (1829, 11192), (2798, 7316), (3658, 5596)]