20012958

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{5477}}^1$

素因数の和:5521

約数の個数: 48

約数和(自身を含む): 51274080

約数和(自身を除く): 31261122

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 29, 42, 58, 63, 87, 126, 174, 203, 261, 406, 522, 609, 1218, 1827, 3654, 5477, 10954, 16431, 32862, 38339, 49293, 76678, 98586, 115017, 158833, 230034, 317666, 345051, 476499, 690102, 952998, 1111831, 1429497, 2223662, 2858994, 3335493, 6670986, 10006479, 20012958]

約数ペア:

[(1, 20012958), (2, 10006479), (3, 6670986), (6, 3335493), (7, 2858994), (9, 2223662), (14, 1429497), (18, 1111831), (21, 952998), (29, 690102), (42, 476499), (58, 345051), (63, 317666), (87, 230034), (126, 158833), (174, 115017), (203, 98586), (261, 76678), (406, 49293), (522, 38339), (609, 32862), (1218, 16431), (1827, 10954), (3654, 5477)]