20291382

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^2\times {\mathrm{2131}}^1$

素因数の和:2185

約数の個数: 36

約数和(自身を含む): 45980844

約数和(自身を除く): 25689462

約数列:

[1, 2, 3, 6, 9, 18, 23, 46, 69, 138, 207, 414, 529, 1058, 1587, 2131, 3174, 4262, 4761, 6393, 9522, 12786, 19179, 38358, 49013, 98026, 147039, 294078, 441117, 882234, 1127299, 2254598, 3381897, 6763794, 10145691, 20291382]

約数ペア:

[(1, 20291382), (2, 10145691), (3, 6763794), (6, 3381897), (9, 2254598), (18, 1127299), (23, 882234), (46, 441117), (69, 294078), (138, 147039), (207, 98026), (414, 49013), (529, 38358), (1058, 19179), (1587, 12786), (2131, 9522), (3174, 6393), (4262, 4761)]