20988840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{174907}}^1$

素因数の和:174921

約数の個数: 32

約数和(自身を含む): 62966880

約数和(自身を除く): 41978040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 174907, 349814, 524721, 699628, 874535, 1049442, 1399256, 1749070, 2098884, 2623605, 3498140, 4197768, 5247210, 6996280, 10494420, 20988840]

約数ペア:

[(1, 20988840), (2, 10494420), (3, 6996280), (4, 5247210), (5, 4197768), (6, 3498140), (8, 2623605), (10, 2098884), (12, 1749070), (15, 1399256), (20, 1049442), (24, 874535), (30, 699628), (40, 524721), (60, 349814), (120, 174907)]