20621930

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{4397}}^1$

素因数の和:4478

約数の個数: 32

約数和(自身を含む): 43065216

約数和(自身を除く): 22443286

約数列:

[1, 2, 5, 7, 10, 14, 35, 67, 70, 134, 335, 469, 670, 938, 2345, 4397, 4690, 8794, 21985, 30779, 43970, 61558, 153895, 294599, 307790, 589198, 1472995, 2062193, 2945990, 4124386, 10310965, 20621930]

約数ペア:

[(1, 20621930), (2, 10310965), (5, 4124386), (7, 2945990), (10, 2062193), (14, 1472995), (35, 589198), (67, 307790), (70, 294599), (134, 153895), (335, 61558), (469, 43970), (670, 30779), (938, 21985), (2345, 8794), (4397, 4690)]