20512110231

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{239}}^1\times {\mathrm{7069}}^1$

素因数の和:7404

約数の個数: 48

約数和(自身を含む): 31764096000

約数和(自身を除く): 11251985769

約数列:

[1, 3, 9, 19, 57, 71, 171, 213, 239, 639, 717, 1349, 2151, 4047, 4541, 7069, 12141, 13623, 16969, 21207, 40869, 50907, 63621, 134311, 152721, 322411, 402933, 501899, 967233, 1208799, 1505697, 1689491, 2901699, 4517091, 5068473, 9536081, 15205419, 28608243, 32100329, 85824729, 96300987, 119953861, 288902961, 359861583, 1079584749, 2279123359, 6837370077, 20512110231]

約数ペア:

[(1, 20512110231), (3, 6837370077), (9, 2279123359), (19, 1079584749), (57, 359861583), (71, 288902961), (171, 119953861), (213, 96300987), (239, 85824729), (639, 32100329), (717, 28608243), (1349, 15205419), (2151, 9536081), (4047, 5068473), (4541, 4517091), (7069, 2901699), (12141, 1689491), (13623, 1505697), (16969, 1208799), (21207, 967233), (40869, 501899), (50907, 402933), (63621, 322411), (134311, 152721)]