20408702980

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{1017383}}^1$

素因数の和:1017468

約数の個数: 48

約数和(自身を含む): 46148538240

約数和(自身を除く): 25739835260

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 59, 68, 85, 118, 170, 236, 295, 340, 590, 1003, 1180, 2006, 4012, 5015, 10030, 20060, 1017383, 2034766, 4069532, 5086915, 10173830, 17295511, 20347660, 34591022, 60025597, 69182044, 86477555, 120051194, 172955110, 240102388, 300127985, 345910220, 600255970, 1020435149, 1200511940, 2040870298, 4081740596, 5102175745, 10204351490, 20408702980]

約数ペア:

[(1, 20408702980), (2, 10204351490), (4, 5102175745), (5, 4081740596), (10, 2040870298), (17, 1200511940), (20, 1020435149), (34, 600255970), (59, 345910220), (68, 300127985), (85, 240102388), (118, 172955110), (170, 120051194), (236, 86477555), (295, 69182044), (340, 60025597), (590, 34591022), (1003, 20347660), (1180, 17295511), (2006, 10173830), (4012, 5086915), (5015, 4069532), (10030, 2034766), (20060, 1017383)]