16720908

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{1289}}^1$

素因数の和:1366

約数の個数: 48

約数和(自身を含む): 41610240

約数和(自身を除く): 24889332

約数列:

[1, 2, 3, 4, 6, 12, 23, 46, 47, 69, 92, 94, 138, 141, 188, 276, 282, 564, 1081, 1289, 2162, 2578, 3243, 3867, 4324, 5156, 6486, 7734, 12972, 15468, 29647, 59294, 60583, 88941, 118588, 121166, 177882, 181749, 242332, 355764, 363498, 726996, 1393409, 2786818, 4180227, 5573636, 8360454, 16720908]

約数ペア:

[(1, 16720908), (2, 8360454), (3, 5573636), (4, 4180227), (6, 2786818), (12, 1393409), (23, 726996), (46, 363498), (47, 355764), (69, 242332), (92, 181749), (94, 177882), (138, 121166), (141, 118588), (188, 88941), (276, 60583), (282, 59294), (564, 29647), (1081, 15468), (1289, 12972), (2162, 7734), (2578, 6486), (3243, 5156), (3867, 4324)]