20192917671

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{520691}}^1$

素因数の和:520867

約数の個数: 24

約数和(自身を含む): 30325102080

約数和(自身を除く): 10132184409

約数列:

[1, 3, 9, 31, 93, 139, 279, 417, 1251, 4309, 12927, 38781, 520691, 1562073, 4686219, 16141421, 48424263, 72376049, 145272789, 217128147, 651384441, 2243657519, 6730972557, 20192917671]

約数ペア:

[(1, 20192917671), (3, 6730972557), (9, 2243657519), (31, 651384441), (93, 217128147), (139, 145272789), (279, 72376049), (417, 48424263), (1251, 16141421), (4309, 4686219), (12927, 1562073), (38781, 520691)]