20804749130

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{263}}^1\times {\mathrm{31267}}^1$

素因数の和:31571

約数の個数: 64

約数和(自身を含む): 42792634368

約数和(自身を除く): 21987885238

約数列:

[1, 2, 5, 10, 11, 22, 23, 46, 55, 110, 115, 230, 253, 263, 506, 526, 1265, 1315, 2530, 2630, 2893, 5786, 6049, 12098, 14465, 28930, 30245, 31267, 60490, 62534, 66539, 133078, 156335, 312670, 332695, 343937, 665390, 687874, 719141, 1438282, 1719685, 3439370, 3595705, 7191410, 7910551, 8223221, 15821102, 16446442, 39552755, 41116105, 79105510, 82232210, 90455431, 180910862, 189134083, 378268166, 452277155, 904554310, 945670415, 1891340830, 2080474913, 4160949826, 10402374565, 20804749130]

約数ペア:

[(1, 20804749130), (2, 10402374565), (5, 4160949826), (10, 2080474913), (11, 1891340830), (22, 945670415), (23, 904554310), (46, 452277155), (55, 378268166), (110, 189134083), (115, 180910862), (230, 90455431), (253, 82232210), (263, 79105510), (506, 41116105), (526, 39552755), (1265, 16446442), (1315, 15821102), (2530, 8223221), (2630, 7910551), (2893, 7191410), (5786, 3595705), (6049, 3439370), (12098, 1719685), (14465, 1438282), (28930, 719141), (30245, 687874), (31267, 665390), (60490, 343937), (62534, 332695), (66539, 312670), (133078, 156335)]