20951110

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{110269}}^1$

素因数の和:110295

約数の個数: 16

約数和(自身を含む): 39697200

約数和(自身を除く): 18746090

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 110269, 220538, 551345, 1102690, 2095111, 4190222, 10475555, 20951110]

約数ペア:

[(1, 20951110), (2, 10475555), (5, 4190222), (10, 2095111), (19, 1102690), (38, 551345), (95, 220538), (190, 110269)]