20290324

素因数分解:

$2^2\times {\mathrm{23}}^2\times {\mathrm{43}}^1\times {\mathrm{223}}^1$

素因数の和:316

約数の個数: 36

約数和(自身を含む): 38152576

約数和(自身を除く): 17862252

約数列:

[1, 2, 4, 23, 43, 46, 86, 92, 172, 223, 446, 529, 892, 989, 1058, 1978, 2116, 3956, 5129, 9589, 10258, 19178, 20516, 22747, 38356, 45494, 90988, 117967, 220547, 235934, 441094, 471868, 882188, 5072581, 10145162, 20290324]

約数ペア:

[(1, 20290324), (2, 10145162), (4, 5072581), (23, 882188), (43, 471868), (46, 441094), (86, 235934), (92, 220547), (172, 117967), (223, 90988), (446, 45494), (529, 38356), (892, 22747), (989, 20516), (1058, 19178), (1978, 10258), (2116, 9589), (3956, 5129)]