20559970

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{120941}}^1$

素因数の和:120965

約数の個数: 16

約数和(自身を含む): 39185208

約数和(自身を除く): 18625238

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 120941, 241882, 604705, 1209410, 2055997, 4111994, 10279985, 20559970]

約数ペア:

[(1, 20559970), (2, 10279985), (5, 4111994), (10, 2055997), (17, 1209410), (34, 604705), (85, 241882), (170, 120941)]