20707827

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{919}}^1$

素因数の和:995

約数の個数: 32

約数和(自身を含む): 33561600

約数和(自身を除く): 12853773

約数列:

[1, 3, 7, 21, 29, 37, 87, 111, 203, 259, 609, 777, 919, 1073, 2757, 3219, 6433, 7511, 19299, 22533, 26651, 34003, 79953, 102009, 186557, 238021, 559671, 714063, 986087, 2958261, 6902609, 20707827]

約数ペア:

[(1, 20707827), (3, 6902609), (7, 2958261), (21, 986087), (29, 714063), (37, 559671), (87, 238021), (111, 186557), (203, 102009), (259, 79953), (609, 34003), (777, 26651), (919, 22533), (1073, 19299), (2757, 7511), (3219, 6433)]