20189320

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{10739}}^1$

素因数の和:10797

約数の個数: 32

約数和(自身を含む): 46396800

約数和(自身を除く): 26207480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 940, 1880, 10739, 21478, 42956, 53695, 85912, 107390, 214780, 429560, 504733, 1009466, 2018932, 2523665, 4037864, 5047330, 10094660, 20189320]

約数ペア:

[(1, 20189320), (2, 10094660), (4, 5047330), (5, 4037864), (8, 2523665), (10, 2018932), (20, 1009466), (40, 504733), (47, 429560), (94, 214780), (188, 107390), (235, 85912), (376, 53695), (470, 42956), (940, 21478), (1880, 10739)]