20121017005

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{2183507}}^1$

素因数の和:2183628

約数の個数: 16

約数和(自身を含む): 25678054080

約数和(自身を除く): 5557037075

約数列:

[1, 5, 19, 95, 97, 485, 1843, 9215, 2183507, 10917535, 41486633, 207433165, 211800179, 1059000895, 4024203401, 20121017005]

約数ペア:

[(1, 20121017005), (5, 4024203401), (19, 1059000895), (95, 211800179), (97, 207433165), (485, 41486633), (1843, 10917535), (9215, 2183507)]