20990088

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{41647}}^1$

素因数の和:41666

約数の個数: 48

約数和(自身を含む): 64970880

約数和(自身を除く): 43980792

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 56, 63, 72, 84, 126, 168, 252, 504, 41647, 83294, 124941, 166588, 249882, 291529, 333176, 374823, 499764, 583058, 749646, 874587, 999528, 1166116, 1499292, 1749174, 2332232, 2623761, 2998584, 3498348, 5247522, 6996696, 10495044, 20990088]

約数ペア:

[(1, 20990088), (2, 10495044), (3, 6996696), (4, 5247522), (6, 3498348), (7, 2998584), (8, 2623761), (9, 2332232), (12, 1749174), (14, 1499292), (18, 1166116), (21, 999528), (24, 874587), (28, 749646), (36, 583058), (42, 499764), (56, 374823), (63, 333176), (72, 291529), (84, 249882), (126, 166588), (168, 124941), (252, 83294), (504, 41647)]