20176920519

素因数分解:

$3^1\times 7^1\times {\mathrm{181}}^1\times {\mathrm{1931}}^1\times {\mathrm{2749}}^1$

素因数の和:4871

約数の個数: 32

約数和(自身を含む): 30942912000

約数和(自身を除く): 10765991481

約数列:

[1, 3, 7, 21, 181, 543, 1267, 1931, 2749, 3801, 5793, 8247, 13517, 19243, 40551, 57729, 349511, 497569, 1048533, 1492707, 2446577, 3482983, 5308319, 7339731, 10448949, 15924957, 37158233, 111474699, 960805739, 2882417217, 6725640173, 20176920519]

約数ペア:

[(1, 20176920519), (3, 6725640173), (7, 2882417217), (21, 960805739), (181, 111474699), (543, 37158233), (1267, 15924957), (1931, 10448949), (2749, 7339731), (3801, 5308319), (5793, 3482983), (8247, 2446577), (13517, 1492707), (19243, 1048533), (40551, 497569), (57729, 349511)]