20666376

素因数分解:

$2^3\times 3^2\times {\mathrm{19}}^1\times {\mathrm{15107}}^1$

素因数の和:15138

約数の個数: 48

約数和(自身を含む): 58921200

約数和(自身を除く): 38254824

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 19, 24, 36, 38, 57, 72, 76, 114, 152, 171, 228, 342, 456, 684, 1368, 15107, 30214, 45321, 60428, 90642, 120856, 135963, 181284, 271926, 287033, 362568, 543852, 574066, 861099, 1087704, 1148132, 1722198, 2296264, 2583297, 3444396, 5166594, 6888792, 10333188, 20666376]

約数ペア:

[(1, 20666376), (2, 10333188), (3, 6888792), (4, 5166594), (6, 3444396), (8, 2583297), (9, 2296264), (12, 1722198), (18, 1148132), (19, 1087704), (24, 861099), (36, 574066), (38, 543852), (57, 362568), (72, 287033), (76, 271926), (114, 181284), (152, 135963), (171, 120856), (228, 90642), (342, 60428), (456, 45321), (684, 30214), (1368, 15107)]