20007338

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{241}}^1$

素因数の和:390

約数の個数: 32

約数和(自身を含む): 33825792

約数和(自身を除く): 13818454

約数列:

[1, 2, 13, 26, 31, 62, 103, 206, 241, 403, 482, 806, 1339, 2678, 3133, 3193, 6266, 6386, 7471, 14942, 24823, 41509, 49646, 83018, 97123, 194246, 322699, 645398, 769513, 1539026, 10003669, 20007338]

約数ペア:

[(1, 20007338), (2, 10003669), (13, 1539026), (26, 769513), (31, 645398), (62, 322699), (103, 194246), (206, 97123), (241, 83018), (403, 49646), (482, 41509), (806, 24823), (1339, 14942), (2678, 7471), (3133, 6386), (3193, 6266)]