20613296

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{677}}^1$

素因数の和:869

約数の個数: 40

約数和(自身を含む): 43885584

約数和(自身を除く): 23272288

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 173, 176, 346, 677, 692, 1354, 1384, 1903, 2708, 2768, 3806, 5416, 7447, 7612, 10832, 14894, 15224, 29788, 30448, 59576, 117121, 119152, 234242, 468484, 936968, 1288331, 1873936, 2576662, 5153324, 10306648, 20613296]

約数ペア:

[(1, 20613296), (2, 10306648), (4, 5153324), (8, 2576662), (11, 1873936), (16, 1288331), (22, 936968), (44, 468484), (88, 234242), (173, 119152), (176, 117121), (346, 59576), (677, 30448), (692, 29788), (1354, 15224), (1384, 14894), (1903, 10832), (2708, 7612), (2768, 7447), (3806, 5416)]