20667960

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{6379}}^1$

素因数の和:6402

約数の個数: 80

約数和(自身を含む): 69478200

約数和(自身を除く): 48810240

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 81, 90, 108, 120, 135, 162, 180, 216, 270, 324, 360, 405, 540, 648, 810, 1080, 1620, 3240, 6379, 12758, 19137, 25516, 31895, 38274, 51032, 57411, 63790, 76548, 95685, 114822, 127580, 153096, 172233, 191370, 229644, 255160, 287055, 344466, 382740, 459288, 516699, 574110, 688932, 765480, 861165, 1033398, 1148220, 1377864, 1722330, 2066796, 2296440, 2583495, 3444660, 4133592, 5166990, 6889320, 10333980, 20667960]

約数ペア:

[(1, 20667960), (2, 10333980), (3, 6889320), (4, 5166990), (5, 4133592), (6, 3444660), (8, 2583495), (9, 2296440), (10, 2066796), (12, 1722330), (15, 1377864), (18, 1148220), (20, 1033398), (24, 861165), (27, 765480), (30, 688932), (36, 574110), (40, 516699), (45, 459288), (54, 382740), (60, 344466), (72, 287055), (81, 255160), (90, 229644), (108, 191370), (120, 172233), (135, 153096), (162, 127580), (180, 114822), (216, 95685), (270, 76548), (324, 63790), (360, 57411), (405, 51032), (540, 38274), (648, 31895), (810, 25516), (1080, 19137), (1620, 12758), (3240, 6379)]