20687044989

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{229}}^1\times {\mathrm{317}}^1\times {\mathrm{7307}}^1$

素因数の和:7869

約数の個数: 32

約数和(自身を含む): 29932398720

約数和(自身を除く): 9245353731

約数列:

[1, 3, 13, 39, 229, 317, 687, 951, 2977, 4121, 7307, 8931, 12363, 21921, 72593, 94991, 217779, 284973, 943709, 1673303, 2316319, 2831127, 5019909, 6948957, 21752939, 30112147, 65258817, 90336441, 530437051, 1591311153, 6895681663, 20687044989]

約数ペア:

[(1, 20687044989), (3, 6895681663), (13, 1591311153), (39, 530437051), (229, 90336441), (317, 65258817), (687, 30112147), (951, 21752939), (2977, 6948957), (4121, 5019909), (7307, 2831127), (8931, 2316319), (12363, 1673303), (21921, 943709), (72593, 284973), (94991, 217779)]