20661792

素因数分解:

$2^5\times 3^1\times {\mathrm{137}}^1\times {\mathrm{1571}}^1$

素因数の和:1721

約数の個数: 48

約数和(自身を含む): 54667872

約数和(自身を除く): 34006080

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 96, 137, 274, 411, 548, 822, 1096, 1571, 1644, 2192, 3142, 3288, 4384, 4713, 6284, 6576, 9426, 12568, 13152, 18852, 25136, 37704, 50272, 75408, 150816, 215227, 430454, 645681, 860908, 1291362, 1721816, 2582724, 3443632, 5165448, 6887264, 10330896, 20661792]

約数ペア:

[(1, 20661792), (2, 10330896), (3, 6887264), (4, 5165448), (6, 3443632), (8, 2582724), (12, 1721816), (16, 1291362), (24, 860908), (32, 645681), (48, 430454), (96, 215227), (137, 150816), (274, 75408), (411, 50272), (548, 37704), (822, 25136), (1096, 18852), (1571, 13152), (1644, 12568), (2192, 9426), (3142, 6576), (3288, 6284), (4384, 4713)]