20199721264

素因数分解:

$2^4\times {\mathrm{30757}}^1\times {\mathrm{41047}}^1$

素因数の和:71812

約数の個数: 20

約数和(自身を含む): 39139185904

約数和(自身を除く): 18939464640

約数列:

[1, 2, 4, 8, 16, 30757, 41047, 61514, 82094, 123028, 164188, 246056, 328376, 492112, 656752, 1262482579, 2524965158, 5049930316, 10099860632, 20199721264]

約数ペア:

[(1, 20199721264), (2, 10099860632), (4, 5049930316), (8, 2524965158), (16, 1262482579), (30757, 656752), (41047, 492112), (61514, 328376), (82094, 246056), (123028, 164188)]