20265795

素因数分解:

$3^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{4549}}^1$

素因数の和:4577

約数の個数: 40

約数和(自身を含む): 39639600

約数和(自身を除く): 19373805

約数列:

[1, 3, 5, 9, 11, 15, 27, 33, 45, 55, 81, 99, 135, 165, 297, 405, 495, 891, 1485, 4455, 4549, 13647, 22745, 40941, 50039, 68235, 122823, 150117, 204705, 250195, 368469, 450351, 614115, 750585, 1351053, 1842345, 2251755, 4053159, 6755265, 20265795]

約数ペア:

[(1, 20265795), (3, 6755265), (5, 4053159), (9, 2251755), (11, 1842345), (15, 1351053), (27, 750585), (33, 614115), (45, 450351), (55, 368469), (81, 250195), (99, 204705), (135, 150117), (165, 122823), (297, 68235), (405, 50039), (495, 40941), (891, 22745), (1485, 13647), (4455, 4549)]