20531310

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{8663}}^1$

素因数の和:8752

約数の個数: 32

約数和(自身を含む): 49904640

約数和(自身を除く): 29373330

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 79, 158, 237, 395, 474, 790, 1185, 2370, 8663, 17326, 25989, 43315, 51978, 86630, 129945, 259890, 684377, 1368754, 2053131, 3421885, 4106262, 6843770, 10265655, 20531310]

約数ペア:

[(1, 20531310), (2, 10265655), (3, 6843770), (5, 4106262), (6, 3421885), (10, 2053131), (15, 1368754), (30, 684377), (79, 259890), (158, 129945), (237, 86630), (395, 51978), (474, 43315), (790, 25989), (1185, 17326), (2370, 8663)]