20854310

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{157}}^1\times {\mathrm{359}}^1$

素因数の和:560

約数の個数: 32

約数和(自身を含む): 38905920

約数和(自身を除く): 18051610

約数列:

[1, 2, 5, 10, 37, 74, 157, 185, 314, 359, 370, 718, 785, 1570, 1795, 3590, 5809, 11618, 13283, 26566, 29045, 56363, 58090, 66415, 112726, 132830, 281815, 563630, 2085431, 4170862, 10427155, 20854310]

約数ペア:

[(1, 20854310), (2, 10427155), (5, 4170862), (10, 2085431), (37, 563630), (74, 281815), (157, 132830), (185, 112726), (314, 66415), (359, 58090), (370, 56363), (718, 29045), (785, 26566), (1570, 13283), (1795, 11618), (3590, 5809)]