20052945

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{2383}}^1$

素因数の和:2422

約数の個数: 48

約数和(自身を含む): 40165632

約数和(自身を除く): 20112687

約数列:

[1, 3, 5, 9, 11, 15, 17, 33, 45, 51, 55, 85, 99, 153, 165, 187, 255, 495, 561, 765, 935, 1683, 2383, 2805, 7149, 8415, 11915, 21447, 26213, 35745, 40511, 78639, 107235, 121533, 131065, 202555, 235917, 364599, 393195, 445621, 607665, 1179585, 1336863, 1822995, 2228105, 4010589, 6684315, 20052945]

約数ペア:

[(1, 20052945), (3, 6684315), (5, 4010589), (9, 2228105), (11, 1822995), (15, 1336863), (17, 1179585), (33, 607665), (45, 445621), (51, 393195), (55, 364599), (85, 235917), (99, 202555), (153, 131065), (165, 121533), (187, 107235), (255, 78639), (495, 40511), (561, 35745), (765, 26213), (935, 21447), (1683, 11915), (2383, 8415), (2805, 7149)]