20797724061

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{359}}^1\times {\mathrm{5333}}^1$

素因数の和:5786

約数の個数: 48

約数和(自身を含む): 32352203520

約数和(自身を除く): 11554479459

約数列:

[1, 3, 9, 17, 51, 71, 153, 213, 359, 639, 1077, 1207, 3231, 3621, 5333, 6103, 10863, 15999, 18309, 25489, 47997, 54927, 76467, 90661, 229401, 271983, 378643, 433313, 815949, 1135929, 1299939, 1914547, 3407787, 3899817, 5743641, 6436931, 17230923, 19310793, 32547299, 57932379, 97641897, 135932837, 292925691, 407798511, 1223395533, 2310858229, 6932574687, 20797724061]

約数ペア:

[(1, 20797724061), (3, 6932574687), (9, 2310858229), (17, 1223395533), (51, 407798511), (71, 292925691), (153, 135932837), (213, 97641897), (359, 57932379), (639, 32547299), (1077, 19310793), (1207, 17230923), (3231, 6436931), (3621, 5743641), (5333, 3899817), (6103, 3407787), (10863, 1914547), (15999, 1299939), (18309, 1135929), (25489, 815949), (47997, 433313), (54927, 378643), (76467, 271983), (90661, 229401)]