20405466

素因数分解:

$2^1\times 3^3\times {\mathrm{443}}^1\times {\mathrm{853}}^1$

素因数の和:1307

約数の個数: 32

約数和(自身を含む): 45501120

約数和(自身を除く): 25095654

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 443, 853, 886, 1329, 1706, 2559, 2658, 3987, 5118, 7677, 7974, 11961, 15354, 23031, 23922, 46062, 377879, 755758, 1133637, 2267274, 3400911, 6801822, 10202733, 20405466]

約数ペア:

[(1, 20405466), (2, 10202733), (3, 6801822), (6, 3400911), (9, 2267274), (18, 1133637), (27, 755758), (54, 377879), (443, 46062), (853, 23922), (886, 23031), (1329, 15354), (1706, 11961), (2559, 7974), (2658, 7677), (3987, 5118)]