20024895

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^3\times {\mathrm{17}}^1\times {\mathrm{59}}^1$

素因数の和:117

約数の個数: 64

約数和(自身を含む): 37946880

約数和(自身を除く): 17921985

約数列:

[1, 3, 5, 11, 15, 17, 33, 51, 55, 59, 85, 121, 165, 177, 187, 255, 295, 363, 561, 605, 649, 885, 935, 1003, 1331, 1815, 1947, 2057, 2805, 3009, 3245, 3993, 5015, 6171, 6655, 7139, 9735, 10285, 11033, 15045, 19965, 21417, 22627, 30855, 33099, 35695, 55165, 67881, 78529, 107085, 113135, 121363, 165495, 235587, 339405, 364089, 392645, 606815, 1177935, 1334993, 1820445, 4004979, 6674965, 20024895]

約数ペア:

[(1, 20024895), (3, 6674965), (5, 4004979), (11, 1820445), (15, 1334993), (17, 1177935), (33, 606815), (51, 392645), (55, 364089), (59, 339405), (85, 235587), (121, 165495), (165, 121363), (177, 113135), (187, 107085), (255, 78529), (295, 67881), (363, 55165), (561, 35695), (605, 33099), (649, 30855), (885, 22627), (935, 21417), (1003, 19965), (1331, 15045), (1815, 11033), (1947, 10285), (2057, 9735), (2805, 7139), (3009, 6655), (3245, 6171), (3993, 5015)]