20466758

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{379}}^1$

素因数の和:492

約数の個数: 32

約数和(自身を含む): 34728960

約数和(自身を除く): 14262202

約数列:

[1, 2, 13, 26, 31, 62, 67, 134, 379, 403, 758, 806, 871, 1742, 2077, 4154, 4927, 9854, 11749, 23498, 25393, 27001, 50786, 54002, 152737, 305474, 330109, 660218, 787183, 1574366, 10233379, 20466758]

約数ペア:

[(1, 20466758), (2, 10233379), (13, 1574366), (26, 787183), (31, 660218), (62, 330109), (67, 305474), (134, 152737), (379, 54002), (403, 50786), (758, 27001), (806, 25393), (871, 23498), (1742, 11749), (2077, 9854), (4154, 4927)]