20866472

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{7649}}^1$

素因数の和:7697

約数の個数: 32

約数和(自身を含む): 44064000

約数和(自身を除く): 23197528

約数列:

[1, 2, 4, 8, 11, 22, 31, 44, 62, 88, 124, 248, 341, 682, 1364, 2728, 7649, 15298, 30596, 61192, 84139, 168278, 237119, 336556, 474238, 673112, 948476, 1896952, 2608309, 5216618, 10433236, 20866472]

約数ペア:

[(1, 20866472), (2, 10433236), (4, 5216618), (8, 2608309), (11, 1896952), (22, 948476), (31, 673112), (44, 474238), (62, 336556), (88, 237119), (124, 168278), (248, 84139), (341, 61192), (682, 30596), (1364, 15298), (2728, 7649)]