9090980

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{19763}}^1$

素因数の和:19795

約数の個数: 24

約数和(自身を含む): 19922112

約数和(自身を除く): 10831132

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 19763, 39526, 79052, 98815, 197630, 395260, 454549, 909098, 1818196, 2272745, 4545490, 9090980]

約数ペア:

[(1, 9090980), (2, 4545490), (4, 2272745), (5, 1818196), (10, 909098), (20, 454549), (23, 395260), (46, 197630), (92, 98815), (115, 79052), (230, 39526), (460, 19763)]