20161944

素因数分解:

$2^3\times 3^2\times {\mathrm{11}}^1\times {\mathrm{25457}}^1$

素因数の和:25480

約数の個数: 48

約数和(自身を含む): 59571720

約数和(自身を除く): 39409776

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 18, 22, 24, 33, 36, 44, 66, 72, 88, 99, 132, 198, 264, 396, 792, 25457, 50914, 76371, 101828, 152742, 203656, 229113, 280027, 305484, 458226, 560054, 610968, 840081, 916452, 1120108, 1680162, 1832904, 2240216, 2520243, 3360324, 5040486, 6720648, 10080972, 20161944]

約数ペア:

[(1, 20161944), (2, 10080972), (3, 6720648), (4, 5040486), (6, 3360324), (8, 2520243), (9, 2240216), (11, 1832904), (12, 1680162), (18, 1120108), (22, 916452), (24, 840081), (33, 610968), (36, 560054), (44, 458226), (66, 305484), (72, 280027), (88, 229113), (99, 203656), (132, 152742), (198, 101828), (264, 76371), (396, 50914), (792, 25457)]