20172321309

素因数分解:

$3^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{181}}^1\times {\mathrm{293}}^1\times {\mathrm{307}}^1$

素因数の和:850

約数の個数: 64

約数和(自身を含む): 31642490880

約数和(自身を除く): 11470169571

約数列:

[1, 3, 7, 21, 59, 177, 181, 293, 307, 413, 543, 879, 921, 1239, 1267, 2051, 2149, 3801, 6153, 6447, 10679, 17287, 18113, 32037, 51861, 53033, 54339, 55567, 74753, 89951, 121009, 126791, 159099, 166701, 224259, 269853, 363027, 371231, 380373, 388969, 629657, 1113693, 1166907, 1888971, 3128947, 3278453, 5307109, 9386841, 9835359, 15921327, 16281131, 21902629, 22949171, 37149763, 48843393, 65707887, 68847513, 111449289, 113967917, 341903751, 960586729, 2881760187, 6724107103, 20172321309]

約数ペア:

[(1, 20172321309), (3, 6724107103), (7, 2881760187), (21, 960586729), (59, 341903751), (177, 113967917), (181, 111449289), (293, 68847513), (307, 65707887), (413, 48843393), (543, 37149763), (879, 22949171), (921, 21902629), (1239, 16281131), (1267, 15921327), (2051, 9835359), (2149, 9386841), (3801, 5307109), (6153, 3278453), (6447, 3128947), (10679, 1888971), (17287, 1166907), (18113, 1113693), (32037, 629657), (51861, 388969), (53033, 380373), (54339, 371231), (55567, 363027), (74753, 269853), (89951, 224259), (121009, 166701), (126791, 159099)]