20448085

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{317}}^1$

素因数の和:445

約数の個数: 32

約数和(自身を含む): 29917440

約数和(自身を除く): 9469355

約数列:

[1, 5, 7, 19, 35, 95, 97, 133, 317, 485, 665, 679, 1585, 1843, 2219, 3395, 6023, 9215, 11095, 12901, 30115, 30749, 42161, 64505, 153745, 210805, 215243, 584231, 1076215, 2921155, 4089617, 20448085]

約数ペア:

[(1, 20448085), (5, 4089617), (7, 2921155), (19, 1076215), (35, 584231), (95, 215243), (97, 210805), (133, 153745), (317, 64505), (485, 42161), (665, 30749), (679, 30115), (1585, 12901), (1843, 11095), (2219, 9215), (3395, 6023)]