20922268

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{4513}}^1$

素因数の和:4597

約数の個数: 24

約数和(自身を含む): 39181520

約数和(自身を除く): 18259252

約数列:

[1, 2, 4, 19, 38, 61, 76, 122, 244, 1159, 2318, 4513, 4636, 9026, 18052, 85747, 171494, 275293, 342988, 550586, 1101172, 5230567, 10461134, 20922268]

約数ペア:

[(1, 20922268), (2, 10461134), (4, 5230567), (19, 1101172), (38, 550586), (61, 342988), (76, 275293), (122, 171494), (244, 85747), (1159, 18052), (2318, 9026), (4513, 4636)]