20118181209

素因数分解:

$3^1\times 7^1\times {\mathrm{5479}}^1\times {\mathrm{174851}}^1$

素因数の和:180340

約数の個数: 16

約数和(自身を含む): 30662046720

約数和(自身を除く): 10543865511

約数列:

[1, 3, 7, 21, 5479, 16437, 38353, 115059, 174851, 524553, 1223957, 3671871, 958008629, 2874025887, 6706060403, 20118181209]

約数ペア:

[(1, 20118181209), (3, 6706060403), (7, 2874025887), (21, 958008629), (5479, 3671871), (16437, 1223957), (38353, 524553), (115059, 174851)]