20081583

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{167}}^1\times {\mathrm{431}}^1$

素因数の和:635

約数の個数: 24

約数和(自身を含む): 30191616

約数和(自身を除く): 10110033

約数列:

[1, 3, 9, 31, 93, 167, 279, 431, 501, 1293, 1503, 3879, 5177, 13361, 15531, 40083, 46593, 71977, 120249, 215931, 647793, 2231287, 6693861, 20081583]

約数ペア:

[(1, 20081583), (3, 6693861), (9, 2231287), (31, 647793), (93, 215931), (167, 120249), (279, 71977), (431, 46593), (501, 40083), (1293, 15531), (1503, 13361), (3879, 5177)]