20523726

素因数分解:

$2^1\times 3^3\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{283}}^1$

素因数の和:390

約数の個数: 64

約数和(自身を含む): 49075200

約数和(自身を除く): 28551474

約数列:

[1, 2, 3, 6, 9, 17, 18, 27, 34, 51, 54, 79, 102, 153, 158, 237, 283, 306, 459, 474, 566, 711, 849, 918, 1343, 1422, 1698, 2133, 2547, 2686, 4029, 4266, 4811, 5094, 7641, 8058, 9622, 12087, 14433, 15282, 22357, 24174, 28866, 36261, 43299, 44714, 67071, 72522, 86598, 129897, 134142, 201213, 259794, 380069, 402426, 603639, 760138, 1140207, 1207278, 2280414, 3420621, 6841242, 10261863, 20523726]

約数ペア:

[(1, 20523726), (2, 10261863), (3, 6841242), (6, 3420621), (9, 2280414), (17, 1207278), (18, 1140207), (27, 760138), (34, 603639), (51, 402426), (54, 380069), (79, 259794), (102, 201213), (153, 134142), (158, 129897), (237, 86598), (283, 72522), (306, 67071), (459, 44714), (474, 43299), (566, 36261), (711, 28866), (849, 24174), (918, 22357), (1343, 15282), (1422, 14433), (1698, 12087), (2133, 9622), (2547, 8058), (2686, 7641), (4029, 5094), (4266, 4811)]