20244675

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{463}}^1$

素因数の和:540

約数の個数: 48

約数和(自身を含む): 37283328

約数和(自身を除く): 17038653

約数列:

[1, 3, 5, 11, 15, 25, 33, 53, 55, 75, 159, 165, 265, 275, 463, 583, 795, 825, 1325, 1389, 1749, 2315, 2915, 3975, 5093, 6945, 8745, 11575, 14575, 15279, 24539, 25465, 34725, 43725, 73617, 76395, 122695, 127325, 269929, 368085, 381975, 613475, 809787, 1349645, 1840425, 4048935, 6748225, 20244675]

約数ペア:

[(1, 20244675), (3, 6748225), (5, 4048935), (11, 1840425), (15, 1349645), (25, 809787), (33, 613475), (53, 381975), (55, 368085), (75, 269929), (159, 127325), (165, 122695), (265, 76395), (275, 73617), (463, 43725), (583, 34725), (795, 25465), (825, 24539), (1325, 15279), (1389, 14575), (1749, 11575), (2315, 8745), (2915, 6945), (3975, 5093)]