20145010690

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{79697}}^1$

素因数の和:79891

約数の個数: 64

約数和(自身を含む): 43518933504

約数和(自身を除く): 23373922814

約数列:

[1, 2, 5, 7, 10, 14, 23, 35, 46, 70, 115, 157, 161, 230, 314, 322, 785, 805, 1099, 1570, 1610, 2198, 3611, 5495, 7222, 10990, 18055, 25277, 36110, 50554, 79697, 126385, 159394, 252770, 398485, 557879, 796970, 1115758, 1833031, 2789395, 3666062, 5578790, 9165155, 12512429, 12831217, 18330310, 25024858, 25662434, 62562145, 64156085, 87587003, 125124290, 128312170, 175174006, 287785867, 437935015, 575571734, 875870030, 1438929335, 2014501069, 2877858670, 4029002138, 10072505345, 20145010690]

約数ペア:

[(1, 20145010690), (2, 10072505345), (5, 4029002138), (7, 2877858670), (10, 2014501069), (14, 1438929335), (23, 875870030), (35, 575571734), (46, 437935015), (70, 287785867), (115, 175174006), (157, 128312170), (161, 125124290), (230, 87587003), (314, 64156085), (322, 62562145), (785, 25662434), (805, 25024858), (1099, 18330310), (1570, 12831217), (1610, 12512429), (2198, 9165155), (3611, 5578790), (5495, 3666062), (7222, 2789395), (10990, 1833031), (18055, 1115758), (25277, 796970), (36110, 557879), (50554, 398485), (79697, 252770), (126385, 159394)]