20851680

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{43441}}^1$

素因数の和:43459

約数の個数: 48

約数和(自身を含む): 65684304

約数和(自身を除く): 44832624

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 480, 43441, 86882, 130323, 173764, 217205, 260646, 347528, 434410, 521292, 651615, 695056, 868820, 1042584, 1303230, 1390112, 1737640, 2085168, 2606460, 3475280, 4170336, 5212920, 6950560, 10425840, 20851680]

約数ペア:

[(1, 20851680), (2, 10425840), (3, 6950560), (4, 5212920), (5, 4170336), (6, 3475280), (8, 2606460), (10, 2085168), (12, 1737640), (15, 1390112), (16, 1303230), (20, 1042584), (24, 868820), (30, 695056), (32, 651615), (40, 521292), (48, 434410), (60, 347528), (80, 260646), (96, 217205), (120, 173764), (160, 130323), (240, 86882), (480, 43441)]