20689506

素因数分解:

$2^1\times 3^5\times {\mathrm{42571}}^1$

素因数の和:42588

約数の個数: 24

約数和(自身を含む): 46488624

約数和(自身を除く): 25799118

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 243, 486, 42571, 85142, 127713, 255426, 383139, 766278, 1149417, 2298834, 3448251, 6896502, 10344753, 20689506]

約数ペア:

[(1, 20689506), (2, 10344753), (3, 6896502), (6, 3448251), (9, 2298834), (18, 1149417), (27, 766278), (54, 383139), (81, 255426), (162, 127713), (243, 85142), (486, 42571)]