20410480

素因数分解:

$2^4\times 5^1\times {\mathrm{103}}^1\times {\mathrm{2477}}^1$

素因数の和:2593

約数の個数: 40

約数和(自身を含む): 47934432

約数和(自身を除く): 27523952

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 103, 206, 412, 515, 824, 1030, 1648, 2060, 2477, 4120, 4954, 8240, 9908, 12385, 19816, 24770, 39632, 49540, 99080, 198160, 255131, 510262, 1020524, 1275655, 2041048, 2551310, 4082096, 5102620, 10205240, 20410480]

約数ペア:

[(1, 20410480), (2, 10205240), (4, 5102620), (5, 4082096), (8, 2551310), (10, 2041048), (16, 1275655), (20, 1020524), (40, 510262), (80, 255131), (103, 198160), (206, 99080), (412, 49540), (515, 39632), (824, 24770), (1030, 19816), (1648, 12385), (2060, 9908), (2477, 8240), (4120, 4954)]