20394792

素因数分解:

$2^3\times 3^2\times {\mathrm{11}}^2\times {\mathrm{2341}}^1$

素因数の和:2375

約数の個数: 72

約数和(自身を含む): 60739770

約数和(自身を除く): 40344978

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 18, 22, 24, 33, 36, 44, 66, 72, 88, 99, 121, 132, 198, 242, 264, 363, 396, 484, 726, 792, 968, 1089, 1452, 2178, 2341, 2904, 4356, 4682, 7023, 8712, 9364, 14046, 18728, 21069, 25751, 28092, 42138, 51502, 56184, 77253, 84276, 103004, 154506, 168552, 206008, 231759, 283261, 309012, 463518, 566522, 618024, 849783, 927036, 1133044, 1699566, 1854072, 2266088, 2549349, 3399132, 5098698, 6798264, 10197396, 20394792]

約数ペア:

[(1, 20394792), (2, 10197396), (3, 6798264), (4, 5098698), (6, 3399132), (8, 2549349), (9, 2266088), (11, 1854072), (12, 1699566), (18, 1133044), (22, 927036), (24, 849783), (33, 618024), (36, 566522), (44, 463518), (66, 309012), (72, 283261), (88, 231759), (99, 206008), (121, 168552), (132, 154506), (198, 103004), (242, 84276), (264, 77253), (363, 56184), (396, 51502), (484, 42138), (726, 28092), (792, 25751), (968, 21069), (1089, 18728), (1452, 14046), (2178, 9364), (2341, 8712), (2904, 7023), (4356, 4682)]