20641566

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{2099}}^1$

素因数の和:2264

約数の個数: 32

約数和(自身を含む): 45360000

約数和(自身を除く): 24718434

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 149, 298, 447, 894, 1639, 2099, 3278, 4198, 4917, 6297, 9834, 12594, 23089, 46178, 69267, 138534, 312751, 625502, 938253, 1876506, 3440261, 6880522, 10320783, 20641566]

約数ペア:

[(1, 20641566), (2, 10320783), (3, 6880522), (6, 3440261), (11, 1876506), (22, 938253), (33, 625502), (66, 312751), (149, 138534), (298, 69267), (447, 46178), (894, 23089), (1639, 12594), (2099, 9834), (3278, 6297), (4198, 4917)]