20003044970

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{489431}}^1$

素因数の和:489566

約数の個数: 32

約数和(自身を含む): 37142015616

約数和(自身を除く): 17138970646

約数列:

[1, 2, 5, 10, 61, 67, 122, 134, 305, 335, 610, 670, 4087, 8174, 20435, 40870, 489431, 978862, 2447155, 4894310, 29855291, 32791877, 59710582, 65583754, 149276455, 163959385, 298552910, 327918770, 2000304497, 4000608994, 10001522485, 20003044970]

約数ペア:

[(1, 20003044970), (2, 10001522485), (5, 4000608994), (10, 2000304497), (61, 327918770), (67, 298552910), (122, 163959385), (134, 149276455), (305, 65583754), (335, 59710582), (610, 32791877), (670, 29855291), (4087, 4894310), (8174, 2447155), (20435, 978862), (40870, 489431)]