20173745845

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{4127}}^1$

素因数の和:4282

約数の個数: 64

約数和(自身を含む): 28304474112

約数和(自身を除く): 8130728267

約数列:

[1, 5, 11, 31, 47, 55, 61, 155, 235, 305, 341, 517, 671, 1457, 1705, 1891, 2585, 2867, 3355, 4127, 7285, 9455, 14335, 16027, 20635, 20801, 31537, 45397, 80135, 88877, 104005, 127937, 157685, 193969, 226985, 251747, 444385, 639685, 969845, 977647, 1258735, 1407307, 2133659, 2769217, 4888235, 6013039, 7036535, 7804157, 10668295, 11832109, 13846085, 30065195, 39020785, 59160545, 66143429, 85845727, 130153199, 330717145, 366795379, 429228635, 650765995, 1833976895, 4034749169, 20173745845]

約数ペア:

[(1, 20173745845), (5, 4034749169), (11, 1833976895), (31, 650765995), (47, 429228635), (55, 366795379), (61, 330717145), (155, 130153199), (235, 85845727), (305, 66143429), (341, 59160545), (517, 39020785), (671, 30065195), (1457, 13846085), (1705, 11832109), (1891, 10668295), (2585, 7804157), (2867, 7036535), (3355, 6013039), (4127, 4888235), (7285, 2769217), (9455, 2133659), (14335, 1407307), (16027, 1258735), (20635, 977647), (20801, 969845), (31537, 639685), (45397, 444385), (80135, 251747), (88877, 226985), (104005, 193969), (127937, 157685)]