20199231351

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{29}}^2\times {\mathrm{15791}}^1$

素因数の和:15881

約数の個数: 54

約数和(自身を含む): 32722745328

約数和(自身を除く): 12523513977

約数列:

[1, 3, 9, 13, 29, 39, 87, 117, 169, 261, 377, 507, 841, 1131, 1521, 2523, 3393, 4901, 7569, 10933, 14703, 15791, 32799, 44109, 47373, 98397, 142119, 142129, 205283, 426387, 457939, 615849, 1279161, 1373817, 1847547, 2668679, 4121451, 5953207, 8006037, 13280231, 17859621, 24018111, 39840693, 53578863, 77391691, 119522079, 172643003, 232175073, 517929009, 696525219, 1553787027, 2244359039, 6733077117, 20199231351]

約数ペア:

[(1, 20199231351), (3, 6733077117), (9, 2244359039), (13, 1553787027), (29, 696525219), (39, 517929009), (87, 232175073), (117, 172643003), (169, 119522079), (261, 77391691), (377, 53578863), (507, 39840693), (841, 24018111), (1131, 17859621), (1521, 13280231), (2523, 8006037), (3393, 5953207), (4901, 4121451), (7569, 2668679), (10933, 1847547), (14703, 1373817), (15791, 1279161), (32799, 615849), (44109, 457939), (47373, 426387), (98397, 205283), (142119, 142129)]