20713714

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{163}}^1\times {\mathrm{313}}^1$

素因数の和:514

約数の個数: 32

約数和(自身を含む): 37077120

約数和(自身を除く): 16363406

約数列:

[1, 2, 7, 14, 29, 58, 163, 203, 313, 326, 406, 626, 1141, 2191, 2282, 4382, 4727, 9077, 9454, 18154, 33089, 51019, 63539, 66178, 102038, 127078, 357133, 714266, 1479551, 2959102, 10356857, 20713714]

約数ペア:

[(1, 20713714), (2, 10356857), (7, 2959102), (14, 1479551), (29, 714266), (58, 357133), (163, 127078), (203, 102038), (313, 66178), (326, 63539), (406, 51019), (626, 33089), (1141, 18154), (2191, 9454), (2282, 9077), (4382, 4727)]