38684820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{644747}}^1$

素因数の和:644759

約数の個数: 24

約数和(自身を含む): 108317664

約数和(自身を除く): 69632844

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 644747, 1289494, 1934241, 2578988, 3223735, 3868482, 6447470, 7736964, 9671205, 12894940, 19342410, 38684820]

約数ペア:

[(1, 38684820), (2, 19342410), (3, 12894940), (4, 9671205), (5, 7736964), (6, 6447470), (10, 3868482), (12, 3223735), (15, 2578988), (20, 1934241), (30, 1289494), (60, 644747)]