20488812

素因数分解:

$2^2\times 3^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{673}}^1$

素因数の和:782

約数の個数: 48

約数和(自身を含む): 49822080

約数和(自身を除く): 29333268

約数列:

[1, 2, 3, 4, 6, 12, 43, 59, 86, 118, 129, 172, 177, 236, 258, 354, 516, 673, 708, 1346, 2019, 2537, 2692, 4038, 5074, 7611, 8076, 10148, 15222, 28939, 30444, 39707, 57878, 79414, 86817, 115756, 119121, 158828, 173634, 238242, 347268, 476484, 1707401, 3414802, 5122203, 6829604, 10244406, 20488812]

約数ペア:

[(1, 20488812), (2, 10244406), (3, 6829604), (4, 5122203), (6, 3414802), (12, 1707401), (43, 476484), (59, 347268), (86, 238242), (118, 173634), (129, 158828), (172, 119121), (177, 115756), (236, 86817), (258, 79414), (354, 57878), (516, 39707), (673, 30444), (708, 28939), (1346, 15222), (2019, 10148), (2537, 8076), (2692, 7611), (4038, 5074)]