20123701948

素因数分解:

$2^2\times 7^1\times {\mathrm{40699}}^1\times {\mathrm{17659}}^1$

素因数の和:58369

約数の個数: 24

約数和(自身を含む): 40250672000

約数和(自身を除く): 20126970052

約数列:

[1, 2, 4, 7, 14, 28, 17659, 35318, 40699, 70636, 81398, 123613, 162796, 247226, 284893, 494452, 569786, 1139572, 718703641, 1437407282, 2874814564, 5030925487, 10061850974, 20123701948]

約数ペア:

[(1, 20123701948), (2, 10061850974), (4, 5030925487), (7, 2874814564), (14, 1437407282), (28, 718703641), (17659, 1139572), (35318, 569786), (40699, 494452), (70636, 284893), (81398, 247226), (123613, 162796)]