20219183551

素因数分解:

$7^4\times {\mathrm{23}}^2\times {\mathrm{15919}}^1$

素因数の和:15993

約数の個数: 30

約数和(自身を含む): 24659331760

約数和(自身を除く): 4440148209

約数列:

[1, 7, 23, 49, 161, 343, 529, 1127, 2401, 3703, 7889, 15919, 25921, 55223, 111433, 181447, 366137, 780031, 1270129, 2562959, 5460217, 8421151, 17940713, 38221519, 58948057, 125584991, 412636399, 879094937, 2888454793, 20219183551]

約数ペア:

[(1, 20219183551), (7, 2888454793), (23, 879094937), (49, 412636399), (161, 125584991), (343, 58948057), (529, 38221519), (1127, 17940713), (2401, 8421151), (3703, 5460217), (7889, 2562959), (15919, 1270129), (25921, 780031), (55223, 366137), (111433, 181447)]