20121949785

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{11272801}}^1$

素因数の和:11272833

約数の個数: 32

約数和(自身を含む): 38958803712

約数和(自身を除く): 18836853927

約数列:

[1, 3, 5, 7, 15, 17, 21, 35, 51, 85, 105, 119, 255, 357, 595, 1785, 11272801, 33818403, 56364005, 78909607, 169092015, 191637617, 236728821, 394548035, 574912851, 958188085, 1183644105, 1341463319, 2874564255, 4024389957, 6707316595, 20121949785]

約数ペア:

[(1, 20121949785), (3, 6707316595), (5, 4024389957), (7, 2874564255), (15, 1341463319), (17, 1183644105), (21, 958188085), (35, 574912851), (51, 394548035), (85, 236728821), (105, 191637617), (119, 169092015), (255, 78909607), (357, 56364005), (595, 33818403), (1785, 11272801)]