20841372

素因数分解:

$2^2\times 3^2\times {\mathrm{29}}^1\times {\mathrm{19963}}^1$

素因数の和:20002

約数の個数: 36

約数和(自身を含む): 54501720

約数和(自身を除く): 33660348

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 29, 36, 58, 87, 116, 174, 261, 348, 522, 1044, 19963, 39926, 59889, 79852, 119778, 179667, 239556, 359334, 578927, 718668, 1157854, 1736781, 2315708, 3473562, 5210343, 6947124, 10420686, 20841372]

約数ペア:

[(1, 20841372), (2, 10420686), (3, 6947124), (4, 5210343), (6, 3473562), (9, 2315708), (12, 1736781), (18, 1157854), (29, 718668), (36, 578927), (58, 359334), (87, 239556), (116, 179667), (174, 119778), (261, 79852), (348, 59889), (522, 39926), (1044, 19963)]