20874686

素因数分解:

$2^1\times 7^2\times {\mathrm{53}}^1\times {\mathrm{4019}}^1$

素因数の和:4088

約数の個数: 24

約数和(自身を含む): 37120680

約数和(自身を除く): 16245994

約数列:

[1, 2, 7, 14, 49, 53, 98, 106, 371, 742, 2597, 4019, 5194, 8038, 28133, 56266, 196931, 213007, 393862, 426014, 1491049, 2982098, 10437343, 20874686]

約数ペア:

[(1, 20874686), (2, 10437343), (7, 2982098), (14, 1491049), (49, 426014), (53, 393862), (98, 213007), (106, 196931), (371, 56266), (742, 28133), (2597, 8038), (4019, 5194)]