20520190

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{6353}}^1$

素因数の和:6396

約数の個数: 32

約数和(自身を含む): 41173920

約数和(自身を除く): 20653730

約数列:

[1, 2, 5, 10, 17, 19, 34, 38, 85, 95, 170, 190, 323, 646, 1615, 3230, 6353, 12706, 31765, 63530, 108001, 120707, 216002, 241414, 540005, 603535, 1080010, 1207070, 2052019, 4104038, 10260095, 20520190]

約数ペア:

[(1, 20520190), (2, 10260095), (5, 4104038), (10, 2052019), (17, 1207070), (19, 1080010), (34, 603535), (38, 540005), (85, 241414), (95, 216002), (170, 120707), (190, 108001), (323, 63530), (646, 31765), (1615, 12706), (3230, 6353)]