20076255

素因数分解:

$3^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{2609}}^1$

素因数の和:2645

約数の個数: 40

約数和(自身を含む): 37897200

約数和(自身を除く): 17820945

約数列:

[1, 3, 5, 9, 15, 19, 27, 45, 57, 81, 95, 135, 171, 285, 405, 513, 855, 1539, 2565, 2609, 7695, 7827, 13045, 23481, 39135, 49571, 70443, 117405, 148713, 211329, 247855, 352215, 446139, 743565, 1056645, 1338417, 2230695, 4015251, 6692085, 20076255]

約数ペア:

[(1, 20076255), (3, 6692085), (5, 4015251), (9, 2230695), (15, 1338417), (19, 1056645), (27, 743565), (45, 446139), (57, 352215), (81, 247855), (95, 211329), (135, 148713), (171, 117405), (285, 70443), (405, 49571), (513, 39135), (855, 23481), (1539, 13045), (2565, 7827), (2609, 7695)]