20008902280

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{2791}}^1\times {\mathrm{9433}}^1$

素因数の和:12254

約数の個数: 64

約数和(自身を含む): 47411510400

約数和(自身を除く): 27402608120

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 2791, 5582, 9433, 11164, 13955, 18866, 22328, 27910, 37732, 47165, 53029, 55820, 75464, 94330, 106058, 111640, 179227, 188660, 212116, 265145, 358454, 377320, 424232, 530290, 716908, 896135, 1060580, 1433816, 1792270, 2121160, 3584540, 7169080, 26327503, 52655006, 105310012, 131637515, 210620024, 263275030, 500222557, 526550060, 1000445114, 1053100120, 2000890228, 2501112785, 4001780456, 5002225570, 10004451140, 20008902280]

約数ペア:

[(1, 20008902280), (2, 10004451140), (4, 5002225570), (5, 4001780456), (8, 2501112785), (10, 2000890228), (19, 1053100120), (20, 1000445114), (38, 526550060), (40, 500222557), (76, 263275030), (95, 210620024), (152, 131637515), (190, 105310012), (380, 52655006), (760, 26327503), (2791, 7169080), (5582, 3584540), (9433, 2121160), (11164, 1792270), (13955, 1433816), (18866, 1060580), (22328, 896135), (27910, 716908), (37732, 530290), (47165, 424232), (53029, 377320), (55820, 358454), (75464, 265145), (94330, 212116), (106058, 188660), (111640, 179227)]