20194773140

素因数分解:

$2^2\times 5^1\times {\mathrm{307}}^1\times {\mathrm{709}}^1\times {\mathrm{4639}}^1$

素因数の和:5664

約数の個数: 48

約数和(自身を含む): 42616358400

約数和(自身を除く): 22421585260

約数列:

[1, 2, 4, 5, 10, 20, 307, 614, 709, 1228, 1418, 1535, 2836, 3070, 3545, 4639, 6140, 7090, 9278, 14180, 18556, 23195, 46390, 92780, 217663, 435326, 870652, 1088315, 1424173, 2176630, 2848346, 3289051, 4353260, 5696692, 6578102, 7120865, 13156204, 14241730, 16445255, 28483460, 32890510, 65781020, 1009738657, 2019477314, 4038954628, 5048693285, 10097386570, 20194773140]

約数ペア:

[(1, 20194773140), (2, 10097386570), (4, 5048693285), (5, 4038954628), (10, 2019477314), (20, 1009738657), (307, 65781020), (614, 32890510), (709, 28483460), (1228, 16445255), (1418, 14241730), (1535, 13156204), (2836, 7120865), (3070, 6578102), (3545, 5696692), (4639, 4353260), (6140, 3289051), (7090, 2848346), (9278, 2176630), (14180, 1424173), (18556, 1088315), (23195, 870652), (46390, 435326), (92780, 217663)]