16870520

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{11399}}^1$

素因数の和:11447

約数の個数: 32

約数和(自身を含む): 38988000

約数和(自身を除く): 22117480

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 296, 370, 740, 1480, 11399, 22798, 45596, 56995, 91192, 113990, 227980, 421763, 455960, 843526, 1687052, 2108815, 3374104, 4217630, 8435260, 16870520]

約数ペア:

[(1, 16870520), (2, 8435260), (4, 4217630), (5, 3374104), (8, 2108815), (10, 1687052), (20, 843526), (37, 455960), (40, 421763), (74, 227980), (148, 113990), (185, 91192), (296, 56995), (370, 45596), (740, 22798), (1480, 11399)]