201997420

素因数分解:

$2^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{98057}}^1$

素因数の和:98169

約数の個数: 24

約数和(自身を含む): 428317344

約数和(自身を除く): 226319924

約数列:

[1, 2, 4, 5, 10, 20, 103, 206, 412, 515, 1030, 2060, 98057, 196114, 392228, 490285, 980570, 1961140, 10099871, 20199742, 40399484, 50499355, 100998710, 201997420]

約数ペア:

[(1, 201997420), (2, 100998710), (4, 50499355), (5, 40399484), (10, 20199742), (20, 10099871), (103, 1961140), (206, 980570), (412, 490285), (515, 392228), (1030, 196114), (2060, 98057)]