20078968

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{27581}}^1$

素因数の和:27607

約数の個数: 32

約数和(自身を含む): 46337760

約数和(自身を除く): 26258792

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 182, 364, 728, 27581, 55162, 110324, 193067, 220648, 358553, 386134, 717106, 772268, 1434212, 1544536, 2509871, 2868424, 5019742, 10039484, 20078968]

約数ペア:

[(1, 20078968), (2, 10039484), (4, 5019742), (7, 2868424), (8, 2509871), (13, 1544536), (14, 1434212), (26, 772268), (28, 717106), (52, 386134), (56, 358553), (91, 220648), (104, 193067), (182, 110324), (364, 55162), (728, 27581)]