20545562008

素因数分解:

$2^3\times {\mathrm{277}}^1\times {\mathrm{1723}}^1\times {\mathrm{5381}}^1$

素因数の和:7387

約数の個数: 32

約数和(自身を含む): 38691628560

約数和(自身を除く): 18146066552

約数列:

[1, 2, 4, 8, 277, 554, 1108, 1723, 2216, 3446, 5381, 6892, 10762, 13784, 21524, 43048, 477271, 954542, 1490537, 1909084, 2981074, 3818168, 5962148, 9271463, 11924296, 18542926, 37085852, 74171704, 2568195251, 5136390502, 10272781004, 20545562008]

約数ペア:

[(1, 20545562008), (2, 10272781004), (4, 5136390502), (8, 2568195251), (277, 74171704), (554, 37085852), (1108, 18542926), (1723, 11924296), (2216, 9271463), (3446, 5962148), (5381, 3818168), (6892, 2981074), (10762, 1909084), (13784, 1490537), (21524, 954542), (43048, 477271)]