20171712204

素因数分解:

$2^2\times 3^4\times 7^2\times {\mathrm{1270579}}^1$

素因数の和:1270609

約数の個数: 90

約数和(自身を含む): 61342331820

約数和(自身を除く): 41170619616

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 49, 54, 63, 81, 84, 98, 108, 126, 147, 162, 189, 196, 252, 294, 324, 378, 441, 567, 588, 756, 882, 1134, 1323, 1764, 2268, 2646, 3969, 5292, 7938, 15876, 1270579, 2541158, 3811737, 5082316, 7623474, 8894053, 11435211, 15246948, 17788106, 22870422, 26682159, 34305633, 35576212, 45740844, 53364318, 62258371, 68611266, 80046477, 102916899, 106728636, 124516742, 137222532, 160092954, 186775113, 205833798, 240139431, 249033484, 320185908, 373550226, 411667596, 480278862, 560325339, 720418293, 747100452, 960557724, 1120650678, 1440836586, 1680976017, 2241301356, 2881673172, 3361952034, 5042928051, 6723904068, 10085856102, 20171712204]

約数ペア:

[(1, 20171712204), (2, 10085856102), (3, 6723904068), (4, 5042928051), (6, 3361952034), (7, 2881673172), (9, 2241301356), (12, 1680976017), (14, 1440836586), (18, 1120650678), (21, 960557724), (27, 747100452), (28, 720418293), (36, 560325339), (42, 480278862), (49, 411667596), (54, 373550226), (63, 320185908), (81, 249033484), (84, 240139431), (98, 205833798), (108, 186775113), (126, 160092954), (147, 137222532), (162, 124516742), (189, 106728636), (196, 102916899), (252, 80046477), (294, 68611266), (324, 62258371), (378, 53364318), (441, 45740844), (567, 35576212), (588, 34305633), (756, 26682159), (882, 22870422), (1134, 17788106), (1323, 15246948), (1764, 11435211), (2268, 8894053), (2646, 7623474), (3969, 5082316), (5292, 3811737), (7938, 2541158), (15876, 1270579)]