20763420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{11933}}^1$

素因数の和:11974

約数の個数: 48

約数和(自身を含む): 60147360

約数和(自身を除く): 39383940

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, 11933, 23866, 35799, 47732, 59665, 71598, 119330, 143196, 178995, 238660, 346057, 357990, 692114, 715980, 1038171, 1384228, 1730285, 2076342, 3460570, 4152684, 5190855, 6921140, 10381710, 20763420]

約数ペア:

[(1, 20763420), (2, 10381710), (3, 6921140), (4, 5190855), (5, 4152684), (6, 3460570), (10, 2076342), (12, 1730285), (15, 1384228), (20, 1038171), (29, 715980), (30, 692114), (58, 357990), (60, 346057), (87, 238660), (116, 178995), (145, 143196), (174, 119330), (290, 71598), (348, 59665), (435, 47732), (580, 35799), (870, 23866), (1740, 11933)]