20854432030

素因数分解:

$2^1\times 5^1\times {\mathrm{1103}}^1\times {\mathrm{1890701}}^1$

素因数の和:1891811

約数の個数: 16

約数和(自身を含む): 37572030144

約数和(自身を除く): 16717598114

約数列:

[1, 2, 5, 10, 1103, 2206, 5515, 11030, 1890701, 3781402, 9453505, 18907010, 2085443203, 4170886406, 10427216015, 20854432030]

約数ペア:

[(1, 20854432030), (2, 10427216015), (5, 4170886406), (10, 2085443203), (1103, 18907010), (2206, 9453505), (5515, 3781402), (11030, 1890701)]