20199779410

素因数分解:

$2^1\times 5^1\times {\mathrm{8231}}^1\times {\mathrm{245411}}^1$

素因数の和:253649

約数の個数: 16

約数和(自身を含む): 36364168512

約数和(自身を除く): 16164389102

約数列:

[1, 2, 5, 10, 8231, 16462, 41155, 82310, 245411, 490822, 1227055, 2454110, 2019977941, 4039955882, 10099889705, 20199779410]

約数ペア:

[(1, 20199779410), (2, 10099889705), (5, 4039955882), (10, 2019977941), (8231, 2454110), (16462, 1227055), (41155, 490822), (82310, 245411)]