20990412

素因数分解:

$2^2\times 3^2\times {\mathrm{97}}^1\times {\mathrm{6011}}^1$

素因数の和:6118

約数の個数: 36

約数和(自身を含む): 53615016

約数和(自身を除く): 32624604

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 97, 194, 291, 388, 582, 873, 1164, 1746, 3492, 6011, 12022, 18033, 24044, 36066, 54099, 72132, 108198, 216396, 583067, 1166134, 1749201, 2332268, 3498402, 5247603, 6996804, 10495206, 20990412]

約数ペア:

[(1, 20990412), (2, 10495206), (3, 6996804), (4, 5247603), (6, 3498402), (9, 2332268), (12, 1749201), (18, 1166134), (36, 583067), (97, 216396), (194, 108198), (291, 72132), (388, 54099), (582, 36066), (873, 24044), (1164, 18033), (1746, 12022), (3492, 6011)]