20807410

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{6959}}^1$

素因数の和:7002

約数の個数: 32

約数和(自身を含む): 42094080

約数和(自身を除く): 21286670

約数列:

[1, 2, 5, 10, 13, 23, 26, 46, 65, 115, 130, 230, 299, 598, 1495, 2990, 6959, 13918, 34795, 69590, 90467, 160057, 180934, 320114, 452335, 800285, 904670, 1600570, 2080741, 4161482, 10403705, 20807410]

約数ペア:

[(1, 20807410), (2, 10403705), (5, 4161482), (10, 2080741), (13, 1600570), (23, 904670), (26, 800285), (46, 452335), (65, 320114), (115, 180934), (130, 160057), (230, 90467), (299, 69590), (598, 34795), (1495, 13918), (2990, 6959)]