20851056

素因数分解:

$2^4\times 3^2\times {\mathrm{19}}^1\times {\mathrm{7621}}^1$

素因数の和:7654

約数の個数: 60

約数和(自身を含む): 61433320

約数和(自身を除く): 40582264

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 36, 38, 48, 57, 72, 76, 114, 144, 152, 171, 228, 304, 342, 456, 684, 912, 1368, 2736, 7621, 15242, 22863, 30484, 45726, 60968, 68589, 91452, 121936, 137178, 144799, 182904, 274356, 289598, 365808, 434397, 548712, 579196, 868794, 1097424, 1158392, 1303191, 1737588, 2316784, 2606382, 3475176, 5212764, 6950352, 10425528, 20851056]

約数ペア:

[(1, 20851056), (2, 10425528), (3, 6950352), (4, 5212764), (6, 3475176), (8, 2606382), (9, 2316784), (12, 1737588), (16, 1303191), (18, 1158392), (19, 1097424), (24, 868794), (36, 579196), (38, 548712), (48, 434397), (57, 365808), (72, 289598), (76, 274356), (114, 182904), (144, 144799), (152, 137178), (171, 121936), (228, 91452), (304, 68589), (342, 60968), (456, 45726), (684, 30484), (912, 22863), (1368, 15242), (2736, 7621)]