20336140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{4019}}^1$

素因数の和:4062

約数の個数: 48

約数和(自身を含む): 48625920

約数和(自身を除く): 28289780

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 23, 44, 46, 55, 92, 110, 115, 220, 230, 253, 460, 506, 1012, 1265, 2530, 4019, 5060, 8038, 16076, 20095, 40190, 44209, 80380, 88418, 92437, 176836, 184874, 221045, 369748, 442090, 462185, 884180, 924370, 1016807, 1848740, 2033614, 4067228, 5084035, 10168070, 20336140]

約数ペア:

[(1, 20336140), (2, 10168070), (4, 5084035), (5, 4067228), (10, 2033614), (11, 1848740), (20, 1016807), (22, 924370), (23, 884180), (44, 462185), (46, 442090), (55, 369748), (92, 221045), (110, 184874), (115, 176836), (220, 92437), (230, 88418), (253, 80380), (460, 44209), (506, 40190), (1012, 20095), (1265, 16076), (2530, 8038), (4019, 5060)]