20717712

素因数分解:

$2^4\times 3^2\times {\mathrm{143873}}^1$

素因数の和:143887

約数の個数: 30

約数和(自身を含む): 57981222

約数和(自身を除く): 37263510

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 143873, 287746, 431619, 575492, 863238, 1150984, 1294857, 1726476, 2301968, 2589714, 3452952, 5179428, 6905904, 10358856, 20717712]

約数ペア:

[(1, 20717712), (2, 10358856), (3, 6905904), (4, 5179428), (6, 3452952), (8, 2589714), (9, 2301968), (12, 1726476), (16, 1294857), (18, 1150984), (24, 863238), (36, 575492), (48, 431619), (72, 287746), (144, 143873)]