20060235

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{647}}^1$

素因数の和:724

約数の個数: 48

約数和(自身を含む): 38211264

約数和(自身を除く): 18151029

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 53, 65, 117, 159, 195, 265, 477, 585, 647, 689, 795, 1941, 2067, 2385, 3235, 3445, 5823, 6201, 8411, 9705, 10335, 25233, 29115, 31005, 34291, 42055, 75699, 102873, 126165, 171455, 308619, 378495, 445783, 514365, 1337349, 1543095, 2228915, 4012047, 6686745, 20060235]

約数ペア:

[(1, 20060235), (3, 6686745), (5, 4012047), (9, 2228915), (13, 1543095), (15, 1337349), (39, 514365), (45, 445783), (53, 378495), (65, 308619), (117, 171455), (159, 126165), (195, 102873), (265, 75699), (477, 42055), (585, 34291), (647, 31005), (689, 29115), (795, 25233), (1941, 10335), (2067, 9705), (2385, 8411), (3235, 6201), (3445, 5823)]