20340855

素因数分解:

$3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{6551}}^1$

素因数の和:6588

約数の個数: 32

約数和(自身を含む): 37739520

約数和(自身を除く): 17398665

約数列:

[1, 3, 5, 9, 15, 23, 27, 45, 69, 115, 135, 207, 345, 621, 1035, 3105, 6551, 19653, 32755, 58959, 98265, 150673, 176877, 294795, 452019, 753365, 884385, 1356057, 2260095, 4068171, 6780285, 20340855]

約数ペア:

[(1, 20340855), (3, 6780285), (5, 4068171), (9, 2260095), (15, 1356057), (23, 884385), (27, 753365), (45, 452019), (69, 294795), (115, 176877), (135, 150673), (207, 98265), (345, 58959), (621, 32755), (1035, 19653), (3105, 6551)]