20504838

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{41}}^2\times {\mathrm{107}}^1$

素因数の和:213

約数の個数: 48

約数和(自身を含む): 44660160

約数和(自身を除く): 24155322

約数列:

[1, 2, 3, 6, 19, 38, 41, 57, 82, 107, 114, 123, 214, 246, 321, 642, 779, 1558, 1681, 2033, 2337, 3362, 4066, 4387, 4674, 5043, 6099, 8774, 10086, 12198, 13161, 26322, 31939, 63878, 83353, 95817, 166706, 179867, 191634, 250059, 359734, 500118, 539601, 1079202, 3417473, 6834946, 10252419, 20504838]

約数ペア:

[(1, 20504838), (2, 10252419), (3, 6834946), (6, 3417473), (19, 1079202), (38, 539601), (41, 500118), (57, 359734), (82, 250059), (107, 191634), (114, 179867), (123, 166706), (214, 95817), (246, 83353), (321, 63878), (642, 31939), (779, 26322), (1558, 13161), (1681, 12198), (2033, 10086), (2337, 8774), (3362, 6099), (4066, 5043), (4387, 4674)]