20199430

素因数分解:

$2^1\times 5^1\times {\mathrm{479}}^1\times {\mathrm{4217}}^1$

素因数の和:4703

約数の個数: 16

約数和(自身を含む): 36443520

約数和(自身を除く): 16244090

約数列:

[1, 2, 5, 10, 479, 958, 2395, 4217, 4790, 8434, 21085, 42170, 2019943, 4039886, 10099715, 20199430]

約数ペア:

[(1, 20199430), (2, 10099715), (5, 4039886), (10, 2019943), (479, 42170), (958, 21085), (2395, 8434), (4217, 4790)]