20662956

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1777}}^1$

素因数の和:1823

約数の個数: 72

約数和(自身を含む): 58247280

約数和(自身を除く): 37584324

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 19, 34, 36, 38, 51, 57, 68, 76, 102, 114, 153, 171, 204, 228, 306, 323, 342, 612, 646, 684, 969, 1292, 1777, 1938, 2907, 3554, 3876, 5331, 5814, 7108, 10662, 11628, 15993, 21324, 30209, 31986, 33763, 60418, 63972, 67526, 90627, 101289, 120836, 135052, 181254, 202578, 271881, 303867, 362508, 405156, 543762, 573971, 607734, 1087524, 1147942, 1215468, 1721913, 2295884, 3443826, 5165739, 6887652, 10331478, 20662956]

約数ペア:

[(1, 20662956), (2, 10331478), (3, 6887652), (4, 5165739), (6, 3443826), (9, 2295884), (12, 1721913), (17, 1215468), (18, 1147942), (19, 1087524), (34, 607734), (36, 573971), (38, 543762), (51, 405156), (57, 362508), (68, 303867), (76, 271881), (102, 202578), (114, 181254), (153, 135052), (171, 120836), (204, 101289), (228, 90627), (306, 67526), (323, 63972), (342, 60418), (612, 33763), (646, 31986), (684, 30209), (969, 21324), (1292, 15993), (1777, 11628), (1938, 10662), (2907, 7108), (3554, 5814), (3876, 5331)]