20298795

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{2861}}^1$

素因数の和:2923

約数の個数: 32

約数和(自身を含む): 36267264

約数和(自身を除く): 15968469

約数列:

[1, 3, 5, 11, 15, 33, 43, 55, 129, 165, 215, 473, 645, 1419, 2365, 2861, 7095, 8583, 14305, 31471, 42915, 94413, 123023, 157355, 369069, 472065, 615115, 1353253, 1845345, 4059759, 6766265, 20298795]

約数ペア:

[(1, 20298795), (3, 6766265), (5, 4059759), (11, 1845345), (15, 1353253), (33, 615115), (43, 472065), (55, 369069), (129, 157355), (165, 123023), (215, 94413), (473, 42915), (645, 31471), (1419, 14305), (2365, 8583), (2861, 7095)]