20392710

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{52289}}^1$

素因数の和:52312

約数の個数: 32

約数和(自身を含む): 52708320

約数和(自身を除く): 32315610

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 52289, 104578, 156867, 261445, 313734, 522890, 679757, 784335, 1359514, 1568670, 2039271, 3398785, 4078542, 6797570, 10196355, 20392710]

約数ペア:

[(1, 20392710), (2, 10196355), (3, 6797570), (5, 4078542), (6, 3398785), (10, 2039271), (13, 1568670), (15, 1359514), (26, 784335), (30, 679757), (39, 522890), (65, 313734), (78, 261445), (130, 156867), (195, 104578), (390, 52289)]