20324661

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^2\times {\mathrm{383}}^1$

素因数の和:438

約数の個数: 36

約数和(自身を含む): 33357312

約数和(自身を除く): 13032651

約数列:

[1, 3, 7, 19, 21, 49, 57, 133, 147, 361, 383, 399, 931, 1083, 1149, 2527, 2681, 2793, 7277, 7581, 8043, 17689, 18767, 21831, 50939, 53067, 56301, 138263, 152817, 356573, 414789, 967841, 1069719, 2903523, 6774887, 20324661]

約数ペア:

[(1, 20324661), (3, 6774887), (7, 2903523), (19, 1069719), (21, 967841), (49, 414789), (57, 356573), (133, 152817), (147, 138263), (361, 56301), (383, 53067), (399, 50939), (931, 21831), (1083, 18767), (1149, 17689), (2527, 8043), (2681, 7581), (2793, 7277)]