20454327

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{167}}^1\times {\mathrm{439}}^1$

素因数の和:643

約数の個数: 24

約数和(自身を含む): 30750720

約数和(自身を除く): 10296393

約数列:

[1, 3, 9, 31, 93, 167, 279, 439, 501, 1317, 1503, 3951, 5177, 13609, 15531, 40827, 46593, 73313, 122481, 219939, 659817, 2272703, 6818109, 20454327]

約数ペア:

[(1, 20454327), (3, 6818109), (9, 2272703), (31, 659817), (93, 219939), (167, 122481), (279, 73313), (439, 46593), (501, 40827), (1317, 15531), (1503, 13609), (3951, 5177)]