20304596

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{223}}^1$

素因数の和:360

約数の個数: 48

約数和(自身を含む): 41094144

約数和(自身を除く): 20789548

約数列:

[1, 2, 4, 13, 17, 26, 34, 52, 68, 103, 206, 221, 223, 412, 442, 446, 884, 892, 1339, 1751, 2678, 2899, 3502, 3791, 5356, 5798, 7004, 7582, 11596, 15164, 22763, 22969, 45526, 45938, 49283, 91052, 91876, 98566, 197132, 298597, 390473, 597194, 780946, 1194388, 1561892, 5076149, 10152298, 20304596]

約数ペア:

[(1, 20304596), (2, 10152298), (4, 5076149), (13, 1561892), (17, 1194388), (26, 780946), (34, 597194), (52, 390473), (68, 298597), (103, 197132), (206, 98566), (221, 91876), (223, 91052), (412, 49283), (442, 45938), (446, 45526), (884, 22969), (892, 22763), (1339, 15164), (1751, 11596), (2678, 7582), (2899, 7004), (3502, 5798), (3791, 5356)]