20565405861

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1\times {\mathrm{857}}^1$

素因数の和:1083

約数の個数: 128

約数和(自身を含む): 37749583872

約数和(自身を除く): 17184178011

約数列:

[1, 3, 7, 11, 13, 21, 33, 39, 61, 77, 91, 131, 143, 183, 231, 273, 393, 427, 429, 671, 793, 857, 917, 1001, 1281, 1441, 1703, 2013, 2379, 2571, 2751, 3003, 4323, 4697, 5109, 5551, 5999, 7991, 8723, 9427, 10087, 11141, 11921, 14091, 16653, 17997, 18733, 23973, 26169, 28281, 30261, 33423, 35763, 52277, 55937, 56199, 61061, 65989, 77987, 87901, 103883, 112267, 122551, 131131, 156831, 167811, 183183, 197967, 233961, 263703, 311649, 336801, 365939, 367653, 393393, 575047, 615307, 679601, 727181, 785869, 857857, 1097817, 1142713, 1234937, 1459471, 1725141, 1845921, 2038803, 2181543, 2357607, 2573571, 3428139, 3704811, 4025329, 4378413, 4757207, 6848287, 7475611, 7998991, 8644559, 10216297, 12075987, 14271621, 16054181, 20544861, 22426833, 23996973, 25933677, 30648891, 47938009, 48162543, 52329277, 75331157, 89027731, 112379267, 143814027, 156987831, 225993471, 267083193, 337137801, 527318099, 623194117, 979305041, 1581954297, 1869582351, 2937915123, 6855135287, 20565405861]

約数ペア:

[(1, 20565405861), (3, 6855135287), (7, 2937915123), (11, 1869582351), (13, 1581954297), (21, 979305041), (33, 623194117), (39, 527318099), (61, 337137801), (77, 267083193), (91, 225993471), (131, 156987831), (143, 143814027), (183, 112379267), (231, 89027731), (273, 75331157), (393, 52329277), (427, 48162543), (429, 47938009), (671, 30648891), (793, 25933677), (857, 23996973), (917, 22426833), (1001, 20544861), (1281, 16054181), (1441, 14271621), (1703, 12075987), (2013, 10216297), (2379, 8644559), (2571, 7998991), (2751, 7475611), (3003, 6848287), (4323, 4757207), (4697, 4378413), (5109, 4025329), (5551, 3704811), (5999, 3428139), (7991, 2573571), (8723, 2357607), (9427, 2181543), (10087, 2038803), (11141, 1845921), (11921, 1725141), (14091, 1459471), (16653, 1234937), (17997, 1142713), (18733, 1097817), (23973, 857857), (26169, 785869), (28281, 727181), (30261, 679601), (33423, 615307), (35763, 575047), (52277, 393393), (55937, 367653), (56199, 365939), (61061, 336801), (65989, 311649), (77987, 263703), (87901, 233961), (103883, 197967), (112267, 183183), (122551, 167811), (131131, 156831)]