20496490700

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{197}}^1\times {\mathrm{148633}}^1$

素因数の和:148851

約数の個数: 72

約数和(自身を含む): 51089667552

約数和(自身を除く): 30593176852

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 140, 175, 197, 350, 394, 700, 788, 985, 1379, 1970, 2758, 3940, 4925, 5516, 6895, 9850, 13790, 19700, 27580, 34475, 68950, 137900, 148633, 297266, 594532, 743165, 1040431, 1486330, 2080862, 2972660, 3715825, 4161724, 5202155, 7431650, 10404310, 14863300, 20808620, 26010775, 29280701, 52021550, 58561402, 104043100, 117122804, 146403505, 204964907, 292807010, 409929814, 585614020, 732017525, 819859628, 1024824535, 1464035050, 2049649070, 2928070100, 4099298140, 5124122675, 10248245350, 20496490700]

約数ペア:

[(1, 20496490700), (2, 10248245350), (4, 5124122675), (5, 4099298140), (7, 2928070100), (10, 2049649070), (14, 1464035050), (20, 1024824535), (25, 819859628), (28, 732017525), (35, 585614020), (50, 409929814), (70, 292807010), (100, 204964907), (140, 146403505), (175, 117122804), (197, 104043100), (350, 58561402), (394, 52021550), (700, 29280701), (788, 26010775), (985, 20808620), (1379, 14863300), (1970, 10404310), (2758, 7431650), (3940, 5202155), (4925, 4161724), (5516, 3715825), (6895, 2972660), (9850, 2080862), (13790, 1486330), (19700, 1040431), (27580, 743165), (34475, 594532), (68950, 297266), (137900, 148633)]