20289230

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{156071}}^1$

素因数の和:156091

約数の個数: 16

約数和(自身を含む): 39330144

約数和(自身を除く): 19040914

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 156071, 312142, 780355, 1560710, 2028923, 4057846, 10144615, 20289230]

約数ペア:

[(1, 20289230), (2, 10144615), (5, 4057846), (10, 2028923), (13, 1560710), (26, 780355), (65, 312142), (130, 156071)]