20118790

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{87473}}^1$

素因数の和:87503

約数の個数: 16

約数和(自身を含む): 37788768

約数和(自身を除く): 17669978

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 87473, 174946, 437365, 874730, 2011879, 4023758, 10059395, 20118790]

約数ペア:

[(1, 20118790), (2, 10059395), (5, 4023758), (10, 2011879), (23, 874730), (46, 437365), (115, 174946), (230, 87473)]