20797440320

素因数分解:

$2^6\times 5^1\times {\mathrm{433}}^1\times {\mathrm{150097}}^1$

素因数の和:150547

約数の個数: 56

約数和(自身を含む): 49638609384

約数和(自身を除く): 28841169064

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 433, 866, 1732, 2165, 3464, 4330, 6928, 8660, 13856, 17320, 27712, 34640, 69280, 138560, 150097, 300194, 600388, 750485, 1200776, 1500970, 2401552, 3001940, 4803104, 6003880, 9606208, 12007760, 24015520, 48031040, 64992001, 129984002, 259968004, 324960005, 519936008, 649920010, 1039872016, 1299840020, 2079744032, 2599680040, 4159488064, 5199360080, 10398720160, 20797440320]

約数ペア:

[(1, 20797440320), (2, 10398720160), (4, 5199360080), (5, 4159488064), (8, 2599680040), (10, 2079744032), (16, 1299840020), (20, 1039872016), (32, 649920010), (40, 519936008), (64, 324960005), (80, 259968004), (160, 129984002), (320, 64992001), (433, 48031040), (866, 24015520), (1732, 12007760), (2165, 9606208), (3464, 6003880), (4330, 4803104), (6928, 3001940), (8660, 2401552), (13856, 1500970), (17320, 1200776), (27712, 750485), (34640, 600388), (69280, 300194), (138560, 150097)]