20889558

素因数分解:

$2^1\times 3^2\times {\mathrm{601}}^1\times {\mathrm{1931}}^1$

素因数の和:2540

約数の個数: 24

約数和(自身を含む): 45359496

約数和(自身を除く): 24469938

約数列:

[1, 2, 3, 6, 9, 18, 601, 1202, 1803, 1931, 3606, 3862, 5409, 5793, 10818, 11586, 17379, 34758, 1160531, 2321062, 3481593, 6963186, 10444779, 20889558]

約数ペア:

[(1, 20889558), (2, 10444779), (3, 6963186), (6, 3481593), (9, 2321062), (18, 1160531), (601, 34758), (1202, 17379), (1803, 11586), (1931, 10818), (3606, 5793), (3862, 5409)]