16866820

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{991}}^1$

素因数の和:1060

約数の個数: 48

約数和(自身を含む): 37997568

約数和(自身を除く): 21130748

約数列:

[1, 2, 4, 5, 10, 20, 23, 37, 46, 74, 92, 115, 148, 185, 230, 370, 460, 740, 851, 991, 1702, 1982, 3404, 3964, 4255, 4955, 8510, 9910, 17020, 19820, 22793, 36667, 45586, 73334, 91172, 113965, 146668, 183335, 227930, 366670, 455860, 733340, 843341, 1686682, 3373364, 4216705, 8433410, 16866820]

約数ペア:

[(1, 16866820), (2, 8433410), (4, 4216705), (5, 3373364), (10, 1686682), (20, 843341), (23, 733340), (37, 455860), (46, 366670), (74, 227930), (92, 183335), (115, 146668), (148, 113965), (185, 91172), (230, 73334), (370, 45586), (460, 36667), (740, 22793), (851, 19820), (991, 17020), (1702, 9910), (1982, 8510), (3404, 4955), (3964, 4255)]