20637315

素因数分解:

$3^3\times 5^1\times {\mathrm{59}}^1\times {\mathrm{2591}}^1$

素因数の和:2664

約数の個数: 32

約数和(自身を含む): 37324800

約数和(自身を除く): 16687485

約数列:

[1, 3, 5, 9, 15, 27, 45, 59, 135, 177, 295, 531, 885, 1593, 2591, 2655, 7773, 7965, 12955, 23319, 38865, 69957, 116595, 152869, 349785, 458607, 764345, 1375821, 2293035, 4127463, 6879105, 20637315]

約数ペア:

[(1, 20637315), (3, 6879105), (5, 4127463), (9, 2293035), (15, 1375821), (27, 764345), (45, 458607), (59, 349785), (135, 152869), (177, 116595), (295, 69957), (531, 38865), (885, 23319), (1593, 12955), (2591, 7965), (2655, 7773)]