20929020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{49831}}^1$

素因数の和:49850

約数の個数: 48

約数和(自身を含む): 66974208

約数和(自身を除く): 46045188

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 49831, 99662, 149493, 199324, 249155, 298986, 348817, 498310, 597972, 697634, 747465, 996620, 1046451, 1395268, 1494930, 1744085, 2092902, 2989860, 3488170, 4185804, 5232255, 6976340, 10464510, 20929020]

約数ペア:

[(1, 20929020), (2, 10464510), (3, 6976340), (4, 5232255), (5, 4185804), (6, 3488170), (7, 2989860), (10, 2092902), (12, 1744085), (14, 1494930), (15, 1395268), (20, 1046451), (21, 996620), (28, 747465), (30, 697634), (35, 597972), (42, 498310), (60, 348817), (70, 298986), (84, 249155), (105, 199324), (140, 149493), (210, 99662), (420, 49831)]