20038011

素因数分解:

$3^1\times 7^2\times {\mathrm{271}}^1\times {\mathrm{503}}^1$

素因数の和:791

約数の個数: 24

約数和(自身を含む): 31256064

約数和(自身を除く): 11218053

約数列:

[1, 3, 7, 21, 49, 147, 271, 503, 813, 1509, 1897, 3521, 5691, 10563, 13279, 24647, 39837, 73941, 136313, 408939, 954191, 2862573, 6679337, 20038011]

約数ペア:

[(1, 20038011), (3, 6679337), (7, 2862573), (21, 954191), (49, 408939), (147, 136313), (271, 73941), (503, 39837), (813, 24647), (1509, 13279), (1897, 10563), (3521, 5691)]