20530220

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{60383}}^1$

素因数の和:60409

約数の個数: 24

約数和(自身を含む): 45650304

約数和(自身を除く): 25120084

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 60383, 120766, 241532, 301915, 603830, 1026511, 1207660, 2053022, 4106044, 5132555, 10265110, 20530220]

約数ペア:

[(1, 20530220), (2, 10265110), (4, 5132555), (5, 4106044), (10, 2053022), (17, 1207660), (20, 1026511), (34, 603830), (68, 301915), (85, 241532), (170, 120766), (340, 60383)]