20768040

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{57689}}^1$

素因数の和:57706

約数の個数: 48

約数和(自身を含む): 67497300

約数和(自身を除く): 46729260

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 57689, 115378, 173067, 230756, 288445, 346134, 461512, 519201, 576890, 692268, 865335, 1038402, 1153780, 1384536, 1730670, 2076804, 2307560, 2596005, 3461340, 4153608, 5192010, 6922680, 10384020, 20768040]

約数ペア:

[(1, 20768040), (2, 10384020), (3, 6922680), (4, 5192010), (5, 4153608), (6, 3461340), (8, 2596005), (9, 2307560), (10, 2076804), (12, 1730670), (15, 1384536), (18, 1153780), (20, 1038402), (24, 865335), (30, 692268), (36, 576890), (40, 519201), (45, 461512), (60, 346134), (72, 288445), (90, 230756), (120, 173067), (180, 115378), (360, 57689)]