20123997645

素因数分解:

$3^1\times 5^1\times {\mathrm{2141}}^1\times {\mathrm{626623}}^1$

素因数の和:628772

約数の個数: 16

約数和(自身を含む): 32213486592

約数和(自身を除く): 12089488947

約数列:

[1, 3, 5, 15, 2141, 6423, 10705, 32115, 626623, 1879869, 3133115, 9399345, 1341599843, 4024799529, 6707999215, 20123997645]

約数ペア:

[(1, 20123997645), (3, 6707999215), (5, 4024799529), (15, 1341599843), (2141, 9399345), (6423, 3133115), (10705, 1879869), (32115, 626623)]