20348145

素因数分解:

$3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{7933}}^1$

素因数の和:7966

約数の個数: 32

約数和(自身を含む): 38083200

約数和(自身を除く): 17735055

約数列:

[1, 3, 5, 9, 15, 19, 27, 45, 57, 95, 135, 171, 285, 513, 855, 2565, 7933, 23799, 39665, 71397, 118995, 150727, 214191, 356985, 452181, 753635, 1070955, 1356543, 2260905, 4069629, 6782715, 20348145]

約数ペア:

[(1, 20348145), (3, 6782715), (5, 4069629), (9, 2260905), (15, 1356543), (19, 1070955), (27, 753635), (45, 452181), (57, 356985), (95, 214191), (135, 150727), (171, 118995), (285, 71397), (513, 39665), (855, 23799), (2565, 7933)]