20351090

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{4657}}^1$

素因数の和:4706

約数の個数: 32

約数和(自身を含む): 40245120

約数和(自身を除く): 19894030

約数列:

[1, 2, 5, 10, 19, 23, 38, 46, 95, 115, 190, 230, 437, 874, 2185, 4370, 4657, 9314, 23285, 46570, 88483, 107111, 176966, 214222, 442415, 535555, 884830, 1071110, 2035109, 4070218, 10175545, 20351090]

約数ペア:

[(1, 20351090), (2, 10175545), (5, 4070218), (10, 2035109), (19, 1071110), (23, 884830), (38, 535555), (46, 442415), (95, 214222), (115, 176966), (190, 107111), (230, 88483), (437, 46570), (874, 23285), (2185, 9314), (4370, 4657)]