20478329091

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{76697}}^1$

素因数の和:76777

約数の個数: 64

約数和(自身を含む): 35342438400

約数和(自身を除く): 14864109309

約数列:

[1, 3, 9, 11, 27, 29, 31, 33, 87, 93, 99, 261, 279, 297, 319, 341, 783, 837, 899, 957, 1023, 2697, 2871, 3069, 8091, 8613, 9207, 9889, 24273, 29667, 76697, 89001, 230091, 267003, 690273, 843667, 2070819, 2224213, 2377607, 2531001, 6672639, 7132821, 7593003, 20017917, 21398463, 22779009, 24466343, 26153677, 60053751, 64195389, 68950603, 73399029, 78461031, 206851809, 220197087, 235383093, 620555427, 660591261, 706149279, 758456633, 1861666281, 2275369899, 6826109697, 20478329091]

約数ペア:

[(1, 20478329091), (3, 6826109697), (9, 2275369899), (11, 1861666281), (27, 758456633), (29, 706149279), (31, 660591261), (33, 620555427), (87, 235383093), (93, 220197087), (99, 206851809), (261, 78461031), (279, 73399029), (297, 68950603), (319, 64195389), (341, 60053751), (783, 26153677), (837, 24466343), (899, 22779009), (957, 21398463), (1023, 20017917), (2697, 7593003), (2871, 7132821), (3069, 6672639), (8091, 2531001), (8613, 2377607), (9207, 2224213), (9889, 2070819), (24273, 843667), (29667, 690273), (76697, 267003), (89001, 230091)]