20326980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{8263}}^1$

素因数の和:8316

約数の個数: 48

約数和(自身を含む): 58310784

約数和(自身を除く): 37983804

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 41, 60, 82, 123, 164, 205, 246, 410, 492, 615, 820, 1230, 2460, 8263, 16526, 24789, 33052, 41315, 49578, 82630, 99156, 123945, 165260, 247890, 338783, 495780, 677566, 1016349, 1355132, 1693915, 2032698, 3387830, 4065396, 5081745, 6775660, 10163490, 20326980]

約数ペア:

[(1, 20326980), (2, 10163490), (3, 6775660), (4, 5081745), (5, 4065396), (6, 3387830), (10, 2032698), (12, 1693915), (15, 1355132), (20, 1016349), (30, 677566), (41, 495780), (60, 338783), (82, 247890), (123, 165260), (164, 123945), (205, 99156), (246, 82630), (410, 49578), (492, 41315), (615, 33052), (820, 24789), (1230, 16526), (2460, 8263)]