20100420

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{37223}}^1$

素因数の和:37241

約数の個数: 48

約数和(自身を含む): 62536320

約数和(自身を除く): 42435900

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 37223, 74446, 111669, 148892, 186115, 223338, 335007, 372230, 446676, 558345, 670014, 744460, 1005021, 1116690, 1340028, 1675035, 2010042, 2233380, 3350070, 4020084, 5025105, 6700140, 10050210, 20100420]

約数ペア:

[(1, 20100420), (2, 10050210), (3, 6700140), (4, 5025105), (5, 4020084), (6, 3350070), (9, 2233380), (10, 2010042), (12, 1675035), (15, 1340028), (18, 1116690), (20, 1005021), (27, 744460), (30, 670014), (36, 558345), (45, 446676), (54, 372230), (60, 335007), (90, 223338), (108, 186115), (135, 148892), (180, 111669), (270, 74446), (540, 37223)]