20345087690

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{277}}^1\times {\mathrm{319339}}^1$

素因数の和:319646

約数の個数: 32

約数和(自身を含む): 38351456640

約数和(自身を除く): 18006368950

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 277, 554, 1385, 2770, 6371, 12742, 31855, 63710, 319339, 638678, 1596695, 3193390, 7344797, 14689594, 36723985, 73447970, 88456903, 176913806, 442284515, 884569030, 2034508769, 4069017538, 10172543845, 20345087690]

約数ペア:

[(1, 20345087690), (2, 10172543845), (5, 4069017538), (10, 2034508769), (23, 884569030), (46, 442284515), (115, 176913806), (230, 88456903), (277, 73447970), (554, 36723985), (1385, 14689594), (2770, 7344797), (6371, 3193390), (12742, 1596695), (31855, 638678), (63710, 319339)]