20205318

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{3461}}^1$

素因数の和:3612

約数の個数: 32

約数和(自身を含む): 46529280

約数和(自身を除く): 26323962

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 139, 278, 417, 834, 973, 1946, 2919, 3461, 5838, 6922, 10383, 20766, 24227, 48454, 72681, 145362, 481079, 962158, 1443237, 2886474, 3367553, 6735106, 10102659, 20205318]

約数ペア:

[(1, 20205318), (2, 10102659), (3, 6735106), (6, 3367553), (7, 2886474), (14, 1443237), (21, 962158), (42, 481079), (139, 145362), (278, 72681), (417, 48454), (834, 24227), (973, 20766), (1946, 10383), (2919, 6922), (3461, 5838)]