20819268

素因数分解:

$2^2\times 3^5\times {\mathrm{21419}}^1$

素因数の和:21438

約数の個数: 36

約数和(自身を含む): 54578160

約数和(自身を除く): 33758892

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 243, 324, 486, 972, 21419, 42838, 64257, 85676, 128514, 192771, 257028, 385542, 578313, 771084, 1156626, 1734939, 2313252, 3469878, 5204817, 6939756, 10409634, 20819268]

約数ペア:

[(1, 20819268), (2, 10409634), (3, 6939756), (4, 5204817), (6, 3469878), (9, 2313252), (12, 1734939), (18, 1156626), (27, 771084), (36, 578313), (54, 385542), (81, 257028), (108, 192771), (162, 128514), (243, 85676), (324, 64257), (486, 42838), (972, 21419)]