20933560

素因数分解:

$2^3\times 5^1\times {\mathrm{577}}^1\times {\mathrm{907}}^1$

素因数の和:1495

約数の個数: 32

約数和(自身を含む): 47234160

約数和(自身を除く): 26300600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 577, 907, 1154, 1814, 2308, 2885, 3628, 4535, 4616, 5770, 7256, 9070, 11540, 18140, 23080, 36280, 523339, 1046678, 2093356, 2616695, 4186712, 5233390, 10466780, 20933560]

約数ペア:

[(1, 20933560), (2, 10466780), (4, 5233390), (5, 4186712), (8, 2616695), (10, 2093356), (20, 1046678), (40, 523339), (577, 36280), (907, 23080), (1154, 18140), (1814, 11540), (2308, 9070), (2885, 7256), (3628, 5770), (4535, 4616)]