20848090

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{50849}}^1$

素因数の和:50897

約数の個数: 16

約数和(自身を含む): 38442600

約数和(自身を除く): 17594510

約数列:

[1, 2, 5, 10, 41, 82, 205, 410, 50849, 101698, 254245, 508490, 2084809, 4169618, 10424045, 20848090]

約数ペア:

[(1, 20848090), (2, 10424045), (5, 4169618), (10, 2084809), (41, 508490), (82, 254245), (205, 101698), (410, 50849)]