20212680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{179}}^1\times {\mathrm{941}}^1$

素因数の和:1134

約数の個数: 64

約数和(自身を含む): 61041600

約数和(自身を除く): 40828920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 179, 358, 537, 716, 895, 941, 1074, 1432, 1790, 1882, 2148, 2685, 2823, 3580, 3764, 4296, 4705, 5370, 5646, 7160, 7528, 9410, 10740, 11292, 14115, 18820, 21480, 22584, 28230, 37640, 56460, 112920, 168439, 336878, 505317, 673756, 842195, 1010634, 1347512, 1684390, 2021268, 2526585, 3368780, 4042536, 5053170, 6737560, 10106340, 20212680]

約数ペア:

[(1, 20212680), (2, 10106340), (3, 6737560), (4, 5053170), (5, 4042536), (6, 3368780), (8, 2526585), (10, 2021268), (12, 1684390), (15, 1347512), (20, 1010634), (24, 842195), (30, 673756), (40, 505317), (60, 336878), (120, 168439), (179, 112920), (358, 56460), (537, 37640), (716, 28230), (895, 22584), (941, 21480), (1074, 18820), (1432, 14115), (1790, 11292), (1882, 10740), (2148, 9410), (2685, 7528), (2823, 7160), (3580, 5646), (3764, 5370), (4296, 4705)]