20694984

素因数分解:

$2^3\times 3^1\times {\mathrm{17}}^1\times {\mathrm{50723}}^1$

素因数の和:50749

約数の個数: 32

約数和(自身を含む): 54781920

約数和(自身を除く): 34086936

約数列:

[1, 2, 3, 4, 6, 8, 12, 17, 24, 34, 51, 68, 102, 136, 204, 408, 50723, 101446, 152169, 202892, 304338, 405784, 608676, 862291, 1217352, 1724582, 2586873, 3449164, 5173746, 6898328, 10347492, 20694984]

約数ペア:

[(1, 20694984), (2, 10347492), (3, 6898328), (4, 5173746), (6, 3449164), (8, 2586873), (12, 1724582), (17, 1217352), (24, 862291), (34, 608676), (51, 405784), (68, 304338), (102, 202892), (136, 152169), (204, 101446), (408, 50723)]