20918268

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{83009}}^1$

素因数の和:83026

約数の個数: 36

約数和(自身を含む): 60431280

約数和(自身を除く): 39513012

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 83009, 166018, 249027, 332036, 498054, 581063, 747081, 996108, 1162126, 1494162, 1743189, 2324252, 2988324, 3486378, 5229567, 6972756, 10459134, 20918268]

約数ペア:

[(1, 20918268), (2, 10459134), (3, 6972756), (4, 5229567), (6, 3486378), (7, 2988324), (9, 2324252), (12, 1743189), (14, 1494162), (18, 1162126), (21, 996108), (28, 747081), (36, 581063), (42, 498054), (63, 332036), (84, 249027), (126, 166018), (252, 83009)]