20199662

素因数分解:

$2^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{109}}^1$

素因数の和:217

約数の個数: 48

約数和(自身を含む): 37319040

約数和(自身を除く): 17119378

約数列:

[1, 2, 7, 14, 31, 49, 61, 62, 98, 109, 122, 217, 218, 427, 434, 763, 854, 1519, 1526, 1891, 2989, 3038, 3379, 3782, 5341, 5978, 6649, 6758, 10682, 13237, 13298, 23653, 26474, 46543, 47306, 92659, 93086, 165571, 185318, 206119, 325801, 331142, 412238, 651602, 1442833, 2885666, 10099831, 20199662]

約数ペア:

[(1, 20199662), (2, 10099831), (7, 2885666), (14, 1442833), (31, 651602), (49, 412238), (61, 331142), (62, 325801), (98, 206119), (109, 185318), (122, 165571), (217, 93086), (218, 92659), (427, 47306), (434, 46543), (763, 26474), (854, 23653), (1519, 13298), (1526, 13237), (1891, 10682), (2989, 6758), (3038, 6649), (3379, 5978), (3782, 5341)]