20507690

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{379}}^1\times {\mathrm{773}}^1$

素因数の和:1166

約数の個数: 32

約数和(自身を含む): 42353280

約数和(自身を除く): 21845590

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 379, 758, 773, 1546, 1895, 2653, 3790, 3865, 5306, 5411, 7730, 10822, 13265, 26530, 27055, 54110, 292967, 585934, 1464835, 2050769, 2929670, 4101538, 10253845, 20507690]

約数ペア:

[(1, 20507690), (2, 10253845), (5, 4101538), (7, 2929670), (10, 2050769), (14, 1464835), (35, 585934), (70, 292967), (379, 54110), (758, 27055), (773, 26530), (1546, 13265), (1895, 10822), (2653, 7730), (3790, 5411), (3865, 5306)]