20179497

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{101}}^1\times {\mathrm{109}}^1$

素因数の和:273

約数の個数: 32

約数和(自身を含む): 30159360

約数和(自身を除く): 9979863

約数列:

[1, 3, 13, 39, 47, 101, 109, 141, 303, 327, 611, 1313, 1417, 1833, 3939, 4251, 4747, 5123, 11009, 14241, 15369, 33027, 61711, 66599, 143117, 185133, 199797, 429351, 517423, 1552269, 6726499, 20179497]

約数ペア:

[(1, 20179497), (3, 6726499), (13, 1552269), (39, 517423), (47, 429351), (101, 199797), (109, 185133), (141, 143117), (303, 66599), (327, 61711), (611, 33027), (1313, 15369), (1417, 14241), (1833, 11009), (3939, 5123), (4251, 4747)]