20172978765

素因数分解:

$3^2\times 5^1\times {\mathrm{1723}}^1\times {\mathrm{260179}}^1$

素因数の和:261913

約数の個数: 24

約数和(自身を含む): 34986924960

約数和(自身を除く): 14813946195

約数列:

[1, 3, 5, 9, 15, 45, 1723, 5169, 8615, 15507, 25845, 77535, 260179, 780537, 1300895, 2341611, 3902685, 11708055, 448288417, 1344865251, 2241442085, 4034595753, 6724326255, 20172978765]

約数ペア:

[(1, 20172978765), (3, 6724326255), (5, 4034595753), (9, 2241442085), (15, 1344865251), (45, 448288417), (1723, 11708055), (5169, 3902685), (8615, 2341611), (15507, 1300895), (25845, 780537), (77535, 260179)]