15031220

素因数分解:

$2^2\times 5^1\times {\mathrm{809}}^1\times {\mathrm{929}}^1$

素因数の和:1747

約数の個数: 24

約数和(自身を含む): 31638600

約数和(自身を除く): 16607380

約数列:

[1, 2, 4, 5, 10, 20, 809, 929, 1618, 1858, 3236, 3716, 4045, 4645, 8090, 9290, 16180, 18580, 751561, 1503122, 3006244, 3757805, 7515610, 15031220]

約数ペア:

[(1, 15031220), (2, 7515610), (4, 3757805), (5, 3006244), (10, 1503122), (20, 751561), (809, 18580), (929, 16180), (1618, 9290), (1858, 8090), (3236, 4645), (3716, 4045)]