20007357545

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{193}}^1\times {\mathrm{2953}}^1$

素因数の和:3234

約数の個数: 64

約数和(自身を含む): 29708259840

約数和(自身を除く): 9700902295

約数列:

[1, 5, 7, 17, 35, 59, 85, 119, 193, 295, 413, 595, 965, 1003, 1351, 2065, 2953, 3281, 5015, 6755, 7021, 11387, 14765, 16405, 20671, 22967, 35105, 50201, 56935, 79709, 103355, 114835, 174227, 193579, 251005, 351407, 398545, 569929, 871135, 967895, 1219589, 1355053, 1757035, 2849645, 2961859, 3989503, 6097945, 6775265, 9688793, 14809295, 19947515, 20733013, 33625811, 48443965, 67821551, 103665065, 168129055, 235380677, 339107755, 571638787, 1176903385, 2858193935, 4001471509, 20007357545]

約数ペア:

[(1, 20007357545), (5, 4001471509), (7, 2858193935), (17, 1176903385), (35, 571638787), (59, 339107755), (85, 235380677), (119, 168129055), (193, 103665065), (295, 67821551), (413, 48443965), (595, 33625811), (965, 20733013), (1003, 19947515), (1351, 14809295), (2065, 9688793), (2953, 6775265), (3281, 6097945), (5015, 3989503), (6755, 2961859), (7021, 2849645), (11387, 1757035), (14765, 1355053), (16405, 1219589), (20671, 967895), (22967, 871135), (35105, 569929), (50201, 398545), (56935, 351407), (79709, 251005), (103355, 193579), (114835, 174227)]