20129960109

素因数分解:

$3^1\times 7^1\times {\mathrm{1657}}^1\times {\mathrm{578497}}^1$

素因数の和:580164

約数の個数: 16

約数和(自身を含む): 30692789888

約数和(自身を除く): 10562829779

約数列:

[1, 3, 7, 21, 1657, 4971, 11599, 34797, 578497, 1735491, 4049479, 12148437, 958569529, 2875708587, 6709986703, 20129960109]

約数ペア:

[(1, 20129960109), (3, 6709986703), (7, 2875708587), (21, 958569529), (1657, 12148437), (4971, 4049479), (11599, 1735491), (34797, 578497)]