20097610

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{4987}}^1$

素因数の和:5038

約数の個数: 32

約数和(自身を含む): 40223232

約数和(自身を除く): 20125622

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 2015, 4030, 4987, 9974, 24935, 49870, 64831, 129662, 154597, 309194, 324155, 648310, 772985, 1545970, 2009761, 4019522, 10048805, 20097610]

約数ペア:

[(1, 20097610), (2, 10048805), (5, 4019522), (10, 2009761), (13, 1545970), (26, 772985), (31, 648310), (62, 324155), (65, 309194), (130, 154597), (155, 129662), (310, 64831), (403, 49870), (806, 24935), (2015, 9974), (4030, 4987)]