20178603003

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{647}}^1\times {\mathrm{42089}}^1$

素因数の和:42771

約数の個数: 32

約数和(自身を含む): 30547238400

約数和(自身を除く): 10368635397

約数列:

[1, 3, 13, 19, 39, 57, 247, 647, 741, 1941, 8411, 12293, 25233, 36879, 42089, 126267, 159809, 479427, 547157, 799691, 1641471, 2399073, 10395983, 27231583, 31187949, 81694749, 354010579, 517400077, 1062031737, 1552200231, 6726201001, 20178603003]

約数ペア:

[(1, 20178603003), (3, 6726201001), (13, 1552200231), (19, 1062031737), (39, 517400077), (57, 354010579), (247, 81694749), (647, 31187949), (741, 27231583), (1941, 10395983), (8411, 2399073), (12293, 1641471), (25233, 799691), (36879, 547157), (42089, 479427), (126267, 159809)]