20844134630

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{197}}^1\times {\mathrm{25997}}^1$

素因数の和:26249

約数の個数: 64

約数和(自身を含む): 42251533632

約数和(自身を除く): 21407399002

約数列:

[1, 2, 5, 10, 11, 22, 37, 55, 74, 110, 185, 197, 370, 394, 407, 814, 985, 1970, 2035, 2167, 4070, 4334, 7289, 10835, 14578, 21670, 25997, 36445, 51994, 72890, 80179, 129985, 160358, 259970, 285967, 400895, 571934, 801790, 961889, 1429835, 1923778, 2859670, 4809445, 5121409, 9618890, 10242818, 10580779, 21161558, 25607045, 51214090, 52903895, 56335499, 105807790, 112670998, 189492133, 281677495, 378984266, 563354990, 947460665, 1894921330, 2084413463, 4168826926, 10422067315, 20844134630]

約数ペア:

[(1, 20844134630), (2, 10422067315), (5, 4168826926), (10, 2084413463), (11, 1894921330), (22, 947460665), (37, 563354990), (55, 378984266), (74, 281677495), (110, 189492133), (185, 112670998), (197, 105807790), (370, 56335499), (394, 52903895), (407, 51214090), (814, 25607045), (985, 21161558), (1970, 10580779), (2035, 10242818), (2167, 9618890), (4070, 5121409), (4334, 4809445), (7289, 2859670), (10835, 1923778), (14578, 1429835), (21670, 961889), (25997, 801790), (36445, 571934), (51994, 400895), (72890, 285967), (80179, 259970), (129985, 160358)]