20297145

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{53}}^1\times {\mathrm{211}}^1$

素因数の和:294

約数の個数: 48

約数和(自身を含む): 36542016

約数和(自身を除く): 16244871

約数列:

[1, 3, 5, 11, 15, 33, 53, 55, 121, 159, 165, 211, 265, 363, 583, 605, 633, 795, 1055, 1749, 1815, 2321, 2915, 3165, 6413, 6963, 8745, 11183, 11605, 19239, 25531, 32065, 33549, 34815, 55915, 76593, 96195, 123013, 127655, 167745, 369039, 382965, 615065, 1353143, 1845195, 4059429, 6765715, 20297145]

約数ペア:

[(1, 20297145), (3, 6765715), (5, 4059429), (11, 1845195), (15, 1353143), (33, 615065), (53, 382965), (55, 369039), (121, 167745), (159, 127655), (165, 123013), (211, 96195), (265, 76593), (363, 55915), (583, 34815), (605, 33549), (633, 32065), (795, 25531), (1055, 19239), (1749, 11605), (1815, 11183), (2321, 8745), (2915, 6963), (3165, 6413)]