20503065

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{313}}^1\times {\mathrm{397}}^1$

素因数の和:729

約数の個数: 32

約数和(自身を含む): 35991936

約数和(自身を除く): 15488871

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 313, 397, 939, 1191, 1565, 1985, 3443, 4367, 4695, 5955, 10329, 13101, 17215, 21835, 51645, 65505, 124261, 372783, 621305, 1366871, 1863915, 4100613, 6834355, 20503065]

約数ペア:

[(1, 20503065), (3, 6834355), (5, 4100613), (11, 1863915), (15, 1366871), (33, 621305), (55, 372783), (165, 124261), (313, 65505), (397, 51645), (939, 21835), (1191, 17215), (1565, 13101), (1985, 10329), (3443, 5955), (4367, 4695)]