20138804

素因数分解:

$2^2\times 7^2\times {\mathrm{37}}^1\times {\mathrm{2777}}^1$

素因数の和:2832

約数の個数: 36

約数和(自身を含む): 42120036

約数和(自身を除く): 21981232

約数列:

[1, 2, 4, 7, 14, 28, 37, 49, 74, 98, 148, 196, 259, 518, 1036, 1813, 2777, 3626, 5554, 7252, 11108, 19439, 38878, 77756, 102749, 136073, 205498, 272146, 410996, 544292, 719243, 1438486, 2876972, 5034701, 10069402, 20138804]

約数ペア:

[(1, 20138804), (2, 10069402), (4, 5034701), (7, 2876972), (14, 1438486), (28, 719243), (37, 544292), (49, 410996), (74, 272146), (98, 205498), (148, 136073), (196, 102749), (259, 77756), (518, 38878), (1036, 19439), (1813, 11108), (2777, 7252), (3626, 5554)]