20818476

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{82613}}^1$

素因数の和:82630

約数の個数: 36

約数和(自身を含む): 60142992

約数和(自身を除く): 39324516

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 82613, 165226, 247839, 330452, 495678, 578291, 743517, 991356, 1156582, 1487034, 1734873, 2313164, 2974068, 3469746, 5204619, 6939492, 10409238, 20818476]

約数ペア:

[(1, 20818476), (2, 10409238), (3, 6939492), (4, 5204619), (6, 3469746), (7, 2974068), (9, 2313164), (12, 1734873), (14, 1487034), (18, 1156582), (21, 991356), (28, 743517), (36, 578291), (42, 495678), (63, 330452), (84, 247839), (126, 165226), (252, 82613)]