20986236

素因数分解:

$2^2\times 3^3\times {\mathrm{43}}^1\times {\mathrm{4519}}^1$

素因数の和:4575

約数の個数: 48

約数和(自身を含む): 55686400

約数和(自身を除く): 34700164

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 43, 54, 86, 108, 129, 172, 258, 387, 516, 774, 1161, 1548, 2322, 4519, 4644, 9038, 13557, 18076, 27114, 40671, 54228, 81342, 122013, 162684, 194317, 244026, 388634, 488052, 582951, 777268, 1165902, 1748853, 2331804, 3497706, 5246559, 6995412, 10493118, 20986236]

約数ペア:

[(1, 20986236), (2, 10493118), (3, 6995412), (4, 5246559), (6, 3497706), (9, 2331804), (12, 1748853), (18, 1165902), (27, 777268), (36, 582951), (43, 488052), (54, 388634), (86, 244026), (108, 194317), (129, 162684), (172, 122013), (258, 81342), (387, 54228), (516, 40671), (774, 27114), (1161, 18076), (1548, 13557), (2322, 9038), (4519, 4644)]