20990076

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{1289}}^1$

素因数の和:1378

約数の個数: 48

約数和(自身を含む): 52012800

約数和(自身を除く): 31022724

約数列:

[1, 2, 3, 4, 6, 12, 23, 46, 59, 69, 92, 118, 138, 177, 236, 276, 354, 708, 1289, 1357, 2578, 2714, 3867, 4071, 5156, 5428, 7734, 8142, 15468, 16284, 29647, 59294, 76051, 88941, 118588, 152102, 177882, 228153, 304204, 355764, 456306, 912612, 1749173, 3498346, 5247519, 6996692, 10495038, 20990076]

約数ペア:

[(1, 20990076), (2, 10495038), (3, 6996692), (4, 5247519), (6, 3498346), (12, 1749173), (23, 912612), (46, 456306), (59, 355764), (69, 304204), (92, 228153), (118, 177882), (138, 152102), (177, 118588), (236, 88941), (276, 76051), (354, 59294), (708, 29647), (1289, 16284), (1357, 15468), (2578, 8142), (2714, 7734), (3867, 5428), (4071, 5156)]