20184889790

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{811}}^1\times {\mathrm{191453}}^1$

素因数の和:192284

約数の個数: 32

約数和(自身を含む): 39176083296

約数和(自身を除く): 18991193506

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 811, 1622, 4055, 8110, 10543, 21086, 52715, 105430, 191453, 382906, 957265, 1914530, 2488889, 4977778, 12444445, 24888890, 155268383, 310536766, 776341915, 1552683830, 2018488979, 4036977958, 10092444895, 20184889790]

約数ペア:

[(1, 20184889790), (2, 10092444895), (5, 4036977958), (10, 2018488979), (13, 1552683830), (26, 776341915), (65, 310536766), (130, 155268383), (811, 24888890), (1622, 12444445), (4055, 4977778), (8110, 2488889), (10543, 1914530), (21086, 957265), (52715, 382906), (105430, 191453)]