20831970

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{40847}}^1$

素因数の和:40874

約数の個数: 32

約数和(自身を含む): 52939008

約数和(自身を除く): 32107038

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 30, 34, 51, 85, 102, 170, 255, 510, 40847, 81694, 122541, 204235, 245082, 408470, 612705, 694399, 1225410, 1388798, 2083197, 3471995, 4166394, 6943990, 10415985, 20831970]

約数ペア:

[(1, 20831970), (2, 10415985), (3, 6943990), (5, 4166394), (6, 3471995), (10, 2083197), (15, 1388798), (17, 1225410), (30, 694399), (34, 612705), (51, 408470), (85, 245082), (102, 204235), (170, 122541), (255, 81694), (510, 40847)]