20218179916

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{173}}^1\times {\mathrm{241463}}^1$

素因数の和:241662

約数の個数: 36

約数和(自身を含む): 39115719216

約数和(自身を除く): 18897539300

約数列:

[1, 2, 4, 11, 22, 44, 121, 173, 242, 346, 484, 692, 1903, 3806, 7612, 20933, 41866, 83732, 241463, 482926, 965852, 2656093, 5312186, 10624372, 29217023, 41773099, 58434046, 83546198, 116868092, 167092396, 459504089, 919008178, 1838016356, 5054544979, 10109089958, 20218179916]

約数ペア:

[(1, 20218179916), (2, 10109089958), (4, 5054544979), (11, 1838016356), (22, 919008178), (44, 459504089), (121, 167092396), (173, 116868092), (242, 83546198), (346, 58434046), (484, 41773099), (692, 29217023), (1903, 10624372), (3806, 5312186), (7612, 2656093), (20933, 965852), (41866, 482926), (83732, 241463)]