17431720

素因数分解:

$2^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{4231}}^1$

素因数の和:4345

約数の個数: 32

約数和(自身を含む): 39611520

約数和(自身を除く): 22179800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 103, 206, 412, 515, 824, 1030, 2060, 4120, 4231, 8462, 16924, 21155, 33848, 42310, 84620, 169240, 435793, 871586, 1743172, 2178965, 3486344, 4357930, 8715860, 17431720]

約数ペア:

[(1, 17431720), (2, 8715860), (4, 4357930), (5, 3486344), (8, 2178965), (10, 1743172), (20, 871586), (40, 435793), (103, 169240), (206, 84620), (412, 42310), (515, 33848), (824, 21155), (1030, 16924), (2060, 8462), (4120, 4231)]