20688012

素因数分解:

$2^2\times 3^2\times {\mathrm{574667}}^1$

素因数の和:574677

約数の個数: 18

約数和(自身を含む): 52294788

約数和(自身を除く): 31606776

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 574667, 1149334, 1724001, 2298668, 3448002, 5172003, 6896004, 10344006, 20688012]

約数ペア:

[(1, 20688012), (2, 10344006), (3, 6896004), (4, 5172003), (6, 3448002), (9, 2298668), (12, 1724001), (18, 1149334), (36, 574667)]