20440017

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{4261}}^1$

素因数の和:4321

約数の個数: 24

約数和(自身を含む): 32578728

約数和(自身を除く): 12138711

約数列:

[1, 3, 9, 13, 39, 41, 117, 123, 369, 533, 1599, 4261, 4797, 12783, 38349, 55393, 166179, 174701, 498537, 524103, 1572309, 2271113, 6813339, 20440017]

約数ペア:

[(1, 20440017), (3, 6813339), (9, 2271113), (13, 1572309), (39, 524103), (41, 498537), (117, 174701), (123, 166179), (369, 55393), (533, 38349), (1599, 12783), (4261, 4797)]