20171109945

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{1327}}^1\times {\mathrm{20681}}^1$

素因数の和:22030

約数の個数: 48

約数和(自身を含む): 37573072128

約数和(自身を除く): 17401962183

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 245, 735, 1327, 3981, 6635, 9289, 19905, 20681, 27867, 46445, 62043, 65023, 103405, 139335, 144767, 195069, 310215, 325115, 434301, 723835, 975345, 1013369, 2171505, 3040107, 5066845, 15200535, 27443687, 82331061, 137218435, 192105809, 411655305, 576317427, 960529045, 1344740663, 2881587135, 4034221989, 6723703315, 20171109945]

約数ペア:

[(1, 20171109945), (3, 6723703315), (5, 4034221989), (7, 2881587135), (15, 1344740663), (21, 960529045), (35, 576317427), (49, 411655305), (105, 192105809), (147, 137218435), (245, 82331061), (735, 27443687), (1327, 15200535), (3981, 5066845), (6635, 3040107), (9289, 2171505), (19905, 1013369), (20681, 975345), (27867, 723835), (46445, 434301), (62043, 325115), (65023, 310215), (103405, 195069), (139335, 144767)]