20261175

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{599}}^1$

素因数の和:664

約数の個数: 48

約数和(自身を含む): 37497600

約数和(自身を除く): 17236425

約数列:

[1, 3, 5, 11, 15, 25, 33, 41, 55, 75, 123, 165, 205, 275, 451, 599, 615, 825, 1025, 1353, 1797, 2255, 2995, 3075, 6589, 6765, 8985, 11275, 14975, 19767, 24559, 32945, 33825, 44925, 73677, 98835, 122795, 164725, 270149, 368385, 494175, 613975, 810447, 1350745, 1841925, 4052235, 6753725, 20261175]

約数ペア:

[(1, 20261175), (3, 6753725), (5, 4052235), (11, 1841925), (15, 1350745), (25, 810447), (33, 613975), (41, 494175), (55, 368385), (75, 270149), (123, 164725), (165, 122795), (205, 98835), (275, 73677), (451, 44925), (599, 33825), (615, 32945), (825, 24559), (1025, 19767), (1353, 14975), (1797, 11275), (2255, 8985), (2995, 6765), (3075, 6589)]