20561883960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{313}}^1\times {\mathrm{547441}}^1$

素因数の和:547768

約数の個数: 64

約数和(自身を含む): 61882843680

約数和(自身を除く): 41320959720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 313, 626, 939, 1252, 1565, 1878, 2504, 3130, 3756, 4695, 6260, 7512, 9390, 12520, 18780, 37560, 547441, 1094882, 1642323, 2189764, 2737205, 3284646, 4379528, 5474410, 6569292, 8211615, 10948820, 13138584, 16423230, 21897640, 32846460, 65692920, 171349033, 342698066, 514047099, 685396132, 856745165, 1028094198, 1370792264, 1713490330, 2056188396, 2570235495, 3426980660, 4112376792, 5140470990, 6853961320, 10280941980, 20561883960]

約数ペア:

[(1, 20561883960), (2, 10280941980), (3, 6853961320), (4, 5140470990), (5, 4112376792), (6, 3426980660), (8, 2570235495), (10, 2056188396), (12, 1713490330), (15, 1370792264), (20, 1028094198), (24, 856745165), (30, 685396132), (40, 514047099), (60, 342698066), (120, 171349033), (313, 65692920), (626, 32846460), (939, 21897640), (1252, 16423230), (1565, 13138584), (1878, 10948820), (2504, 8211615), (3130, 6569292), (3756, 5474410), (4695, 4379528), (6260, 3284646), (7512, 2737205), (9390, 2189764), (12520, 1642323), (18780, 1094882), (37560, 547441)]