20123497709

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{3203}}^1\times {\mathrm{39023}}^1$

素因数の和:42256

約数の個数: 16

約数和(自身を含む): 24006316032

約数和(自身を除く): 3882818323

約数列:

[1, 7, 23, 161, 3203, 22421, 39023, 73669, 273161, 515683, 897529, 6282703, 124990669, 874934683, 2874785387, 20123497709]

約数ペア:

[(1, 20123497709), (7, 2874785387), (23, 874934683), (161, 124990669), (3203, 6282703), (22421, 897529), (39023, 515683), (73669, 273161)]