20688336

素因数分解:

$2^4\times 3^2\times {\mathrm{143669}}^1$

素因数の和:143683

約数の個数: 30

約数和(自身を含む): 57899010

約数和(自身を除く): 37210674

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 143669, 287338, 431007, 574676, 862014, 1149352, 1293021, 1724028, 2298704, 2586042, 3448056, 5172084, 6896112, 10344168, 20688336]

約数ペア:

[(1, 20688336), (2, 10344168), (3, 6896112), (4, 5172084), (6, 3448056), (8, 2586042), (9, 2298704), (12, 1724028), (16, 1293021), (18, 1149352), (24, 862014), (36, 574676), (48, 431007), (72, 287338), (144, 143669)]