20761506

素因数分解:

$2^1\times 3^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{1283}}^1$

素因数の和:1351

約数の個数: 48

約数和(自身を含む): 48072960

約数和(自身を除く): 27311454

約数列:

[1, 2, 3, 6, 9, 18, 29, 31, 58, 62, 87, 93, 174, 186, 261, 279, 522, 558, 899, 1283, 1798, 2566, 2697, 3849, 5394, 7698, 8091, 11547, 16182, 23094, 37207, 39773, 74414, 79546, 111621, 119319, 223242, 238638, 334863, 357957, 669726, 715914, 1153417, 2306834, 3460251, 6920502, 10380753, 20761506]

約数ペア:

[(1, 20761506), (2, 10380753), (3, 6920502), (6, 3460251), (9, 2306834), (18, 1153417), (29, 715914), (31, 669726), (58, 357957), (62, 334863), (87, 238638), (93, 223242), (174, 119319), (186, 111621), (261, 79546), (279, 74414), (522, 39773), (558, 37207), (899, 23094), (1283, 16182), (1798, 11547), (2566, 8091), (2697, 7698), (3849, 5394)]