20343340

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^2\times {\mathrm{743}}^1$

素因数の和:826

約数の個数: 36

約数和(自身を含む): 43965936

約数和(自身を除く): 23622596

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 370, 740, 743, 1369, 1486, 2738, 2972, 3715, 5476, 6845, 7430, 13690, 14860, 27380, 27491, 54982, 109964, 137455, 274910, 549820, 1017167, 2034334, 4068668, 5085835, 10171670, 20343340]

約数ペア:

[(1, 20343340), (2, 10171670), (4, 5085835), (5, 4068668), (10, 2034334), (20, 1017167), (37, 549820), (74, 274910), (148, 137455), (185, 109964), (370, 54982), (740, 27491), (743, 27380), (1369, 14860), (1486, 13690), (2738, 7430), (2972, 6845), (3715, 5476)]