20161890

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{32003}}^1$

素因数の和:32023

約数の個数: 48

約数和(自身を含む): 59911488

約数和(自身を除く): 39749598

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 210, 315, 630, 32003, 64006, 96009, 160015, 192018, 224021, 288027, 320030, 448042, 480045, 576054, 672063, 960090, 1120105, 1344126, 1440135, 2016189, 2240210, 2880270, 3360315, 4032378, 6720630, 10080945, 20161890]

約数ペア:

[(1, 20161890), (2, 10080945), (3, 6720630), (5, 4032378), (6, 3360315), (7, 2880270), (9, 2240210), (10, 2016189), (14, 1440135), (15, 1344126), (18, 1120105), (21, 960090), (30, 672063), (35, 576054), (42, 480045), (45, 448042), (63, 320030), (70, 288027), (90, 224021), (105, 192018), (126, 160015), (210, 96009), (315, 64006), (630, 32003)]