20544180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{11807}}^1$

素因数の和:11848

約数の個数: 48

約数和(自身を含む): 59512320

約数和(自身を除く): 38968140

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 29, 30, 58, 60, 87, 116, 145, 174, 290, 348, 435, 580, 870, 1740, 11807, 23614, 35421, 47228, 59035, 70842, 118070, 141684, 177105, 236140, 342403, 354210, 684806, 708420, 1027209, 1369612, 1712015, 2054418, 3424030, 4108836, 5136045, 6848060, 10272090, 20544180]

約数ペア:

[(1, 20544180), (2, 10272090), (3, 6848060), (4, 5136045), (5, 4108836), (6, 3424030), (10, 2054418), (12, 1712015), (15, 1369612), (20, 1027209), (29, 708420), (30, 684806), (58, 354210), (60, 342403), (87, 236140), (116, 177105), (145, 141684), (174, 118070), (290, 70842), (348, 59035), (435, 47228), (580, 35421), (870, 23614), (1740, 11807)]