20719710

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{20929}}^1$

素因数の和:20953

約数の個数: 48

約数和(自身を含む): 58771440

約数和(自身を除く): 38051730

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 30, 33, 45, 55, 66, 90, 99, 110, 165, 198, 330, 495, 990, 20929, 41858, 62787, 104645, 125574, 188361, 209290, 230219, 313935, 376722, 460438, 627870, 690657, 941805, 1151095, 1381314, 1883610, 2071971, 2302190, 3453285, 4143942, 6906570, 10359855, 20719710]

約数ペア:

[(1, 20719710), (2, 10359855), (3, 6906570), (5, 4143942), (6, 3453285), (9, 2302190), (10, 2071971), (11, 1883610), (15, 1381314), (18, 1151095), (22, 941805), (30, 690657), (33, 627870), (45, 460438), (55, 376722), (66, 313935), (90, 230219), (99, 209290), (110, 188361), (165, 125574), (198, 104645), (330, 62787), (495, 41858), (990, 20929)]