20377557

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{269}}^1\times {\mathrm{443}}^1$

素因数の和:737

約数の個数: 24

約数和(自身を含む): 31168800

約数和(自身を除く): 10791243

約数列:

[1, 3, 9, 19, 57, 171, 269, 443, 807, 1329, 2421, 3987, 5111, 8417, 15333, 25251, 45999, 75753, 119167, 357501, 1072503, 2264173, 6792519, 20377557]

約数ペア:

[(1, 20377557), (3, 6792519), (9, 2264173), (19, 1072503), (57, 357501), (171, 119167), (269, 75753), (443, 45999), (807, 25251), (1329, 15333), (2421, 8417), (3987, 5111)]