20489784

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{121963}}^1$

素因数の和:121979

約数の個数: 32

約数和(自身を含む): 58542720

約数和(自身を除く): 38052936

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 121963, 243926, 365889, 487852, 731778, 853741, 975704, 1463556, 1707482, 2561223, 2927112, 3414964, 5122446, 6829928, 10244892, 20489784]

約数ペア:

[(1, 20489784), (2, 10244892), (3, 6829928), (4, 5122446), (6, 3414964), (7, 2927112), (8, 2561223), (12, 1707482), (14, 1463556), (21, 975704), (24, 853741), (28, 731778), (42, 487852), (56, 365889), (84, 243926), (168, 121963)]