20123408589

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{157}}^1\times {\mathrm{1097}}^1$

素因数の和:1382

約数の個数: 64

約数和(自身を含む): 29978035200

約数和(自身を除く): 9854626611

約数列:

[1, 3, 17, 29, 51, 79, 87, 157, 237, 471, 493, 1097, 1343, 1479, 2291, 2669, 3291, 4029, 4553, 6873, 8007, 12403, 13659, 18649, 31813, 37209, 38947, 55947, 77401, 86663, 95439, 116841, 172229, 210851, 232203, 259989, 359687, 516687, 540821, 632553, 1079061, 1473271, 1622463, 2513227, 2927893, 4419813, 4994641, 6114679, 7539681, 8783679, 13606091, 14983923, 18344037, 40818273, 42724859, 84908897, 128174577, 231303547, 254726691, 394576639, 693910641, 1183729917, 6707802863, 20123408589]

約数ペア:

[(1, 20123408589), (3, 6707802863), (17, 1183729917), (29, 693910641), (51, 394576639), (79, 254726691), (87, 231303547), (157, 128174577), (237, 84908897), (471, 42724859), (493, 40818273), (1097, 18344037), (1343, 14983923), (1479, 13606091), (2291, 8783679), (2669, 7539681), (3291, 6114679), (4029, 4994641), (4553, 4419813), (6873, 2927893), (8007, 2513227), (12403, 1622463), (13659, 1473271), (18649, 1079061), (31813, 632553), (37209, 540821), (38947, 516687), (55947, 359687), (77401, 259989), (86663, 232203), (95439, 210851), (116841, 172229)]