20676900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{157}}^1\times {\mathrm{439}}^1$

素因数の和:613

約数の個数: 72

約数和(自身を含む): 60343360

約数和(自身を除く): 39666460

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 150, 157, 300, 314, 439, 471, 628, 785, 878, 942, 1317, 1570, 1756, 1884, 2195, 2355, 2634, 3140, 3925, 4390, 4710, 5268, 6585, 7850, 8780, 9420, 10975, 11775, 13170, 15700, 21950, 23550, 26340, 32925, 43900, 47100, 65850, 68923, 131700, 137846, 206769, 275692, 344615, 413538, 689230, 827076, 1033845, 1378460, 1723075, 2067690, 3446150, 4135380, 5169225, 6892300, 10338450, 20676900]

約数ペア:

[(1, 20676900), (2, 10338450), (3, 6892300), (4, 5169225), (5, 4135380), (6, 3446150), (10, 2067690), (12, 1723075), (15, 1378460), (20, 1033845), (25, 827076), (30, 689230), (50, 413538), (60, 344615), (75, 275692), (100, 206769), (150, 137846), (157, 131700), (300, 68923), (314, 65850), (439, 47100), (471, 43900), (628, 32925), (785, 26340), (878, 23550), (942, 21950), (1317, 15700), (1570, 13170), (1756, 11775), (1884, 10975), (2195, 9420), (2355, 8780), (2634, 7850), (3140, 6585), (3925, 5268), (4390, 4710)]