20855268

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{82759}}^1$

素因数の和:82776

約数の個数: 36

約数和(自身を含む): 60249280

約数和(自身を除く): 39394012

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 82759, 165518, 248277, 331036, 496554, 579313, 744831, 993108, 1158626, 1489662, 1737939, 2317252, 2979324, 3475878, 5213817, 6951756, 10427634, 20855268]

約数ペア:

[(1, 20855268), (2, 10427634), (3, 6951756), (4, 5213817), (6, 3475878), (7, 2979324), (9, 2317252), (12, 1737939), (14, 1489662), (18, 1158626), (21, 993108), (28, 744831), (36, 579313), (42, 496554), (63, 331036), (84, 248277), (126, 165518), (252, 82759)]