20147405789

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{173}}^1\times {\mathrm{978647}}^1$

素因数の和:978844

約数の個数: 16

約数和(自身を含む): 24521004288

約数和(自身を除く): 4373598499

約数列:

[1, 7, 17, 119, 173, 1211, 2941, 20587, 978647, 6850529, 16636999, 116458993, 169305931, 1185141517, 2878200827, 20147405789]

約数ペア:

[(1, 20147405789), (7, 2878200827), (17, 1185141517), (119, 169305931), (173, 116458993), (1211, 16636999), (2941, 6850529), (20587, 978647)]