19737620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{140983}}^1$

素因数の和:140999

約数の個数: 24

約数和(自身を含む): 47370624

約数和(自身を除く): 27633004

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 140983, 281966, 563932, 704915, 986881, 1409830, 1973762, 2819660, 3947524, 4934405, 9868810, 19737620]

約数ペア:

[(1, 19737620), (2, 9868810), (4, 4934405), (5, 3947524), (7, 2819660), (10, 1973762), (14, 1409830), (20, 986881), (28, 704915), (35, 563932), (70, 281966), (140, 140983)]