20776340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{1949}}^1$

素因数の和:2012

約数の個数: 48

約数和(自身を含む): 48157200

約数和(自身を除く): 27380860

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 41, 52, 65, 82, 130, 164, 205, 260, 410, 533, 820, 1066, 1949, 2132, 2665, 3898, 5330, 7796, 9745, 10660, 19490, 25337, 38980, 50674, 79909, 101348, 126685, 159818, 253370, 319636, 399545, 506740, 799090, 1038817, 1598180, 2077634, 4155268, 5194085, 10388170, 20776340]

約数ペア:

[(1, 20776340), (2, 10388170), (4, 5194085), (5, 4155268), (10, 2077634), (13, 1598180), (20, 1038817), (26, 799090), (41, 506740), (52, 399545), (65, 319636), (82, 253370), (130, 159818), (164, 126685), (205, 101348), (260, 79909), (410, 50674), (533, 38980), (820, 25337), (1066, 19490), (1949, 10660), (2132, 9745), (2665, 7796), (3898, 5330)]