20415618

素因数分解:

$2^1\times 3^3\times {\mathrm{73}}^1\times {\mathrm{5179}}^1$

素因数の和:5263

約数の個数: 32

約数和(自身を含む): 45998400

約数和(自身を除く): 25582782

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 73, 146, 219, 438, 657, 1314, 1971, 3942, 5179, 10358, 15537, 31074, 46611, 93222, 139833, 279666, 378067, 756134, 1134201, 2268402, 3402603, 6805206, 10207809, 20415618]

約数ペア:

[(1, 20415618), (2, 10207809), (3, 6805206), (6, 3402603), (9, 2268402), (18, 1134201), (27, 756134), (54, 378067), (73, 279666), (146, 139833), (219, 93222), (438, 46611), (657, 31074), (1314, 15537), (1971, 10358), (3942, 5179)]