20614447

素因数分解:

$7^2\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{163}}^1$

素因数の和:295

約数の個数: 24

約数和(自身を含む): 25239600

約数和(自身を除く): 4625153

約数列:

[1, 7, 29, 49, 89, 163, 203, 623, 1141, 1421, 2581, 4361, 4727, 7987, 14507, 18067, 33089, 101549, 126469, 231623, 420703, 710843, 2944921, 20614447]

約数ペア:

[(1, 20614447), (7, 2944921), (29, 710843), (49, 420703), (89, 231623), (163, 126469), (203, 101549), (623, 33089), (1141, 18067), (1421, 14507), (2581, 7987), (4361, 4727)]