20456469248

素因数分解:

$2^8\times {\mathrm{1279}}^1\times {\mathrm{62477}}^1$

素因数の和:63772

約数の個数: 36

約数和(自身を含む): 40865610240

約数和(自身を除く): 20409140992

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 1279, 2558, 5116, 10232, 20464, 40928, 62477, 81856, 124954, 163712, 249908, 327424, 499816, 999632, 1999264, 3998528, 7997056, 15994112, 79908083, 159816166, 319632332, 639264664, 1278529328, 2557058656, 5114117312, 10228234624, 20456469248]

約数ペア:

[(1, 20456469248), (2, 10228234624), (4, 5114117312), (8, 2557058656), (16, 1278529328), (32, 639264664), (64, 319632332), (128, 159816166), (256, 79908083), (1279, 15994112), (2558, 7997056), (5116, 3998528), (10232, 1999264), (20464, 999632), (40928, 499816), (62477, 327424), (81856, 249908), (124954, 163712)]