20713528067428

素因数分解:

$2^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{181}}^1\times {\mathrm{140935199}}^1$

素因数の和:140935420

約数の個数: 48

約数和(自身を含む): 43092346752000

約数和(自身を除く): 22378818684572

約数列:

[1, 2, 4, 7, 14, 28, 29, 58, 116, 181, 203, 362, 406, 724, 812, 1267, 2534, 5068, 5249, 10498, 20996, 36743, 73486, 146972, 140935199, 281870398, 563740796, 986546393, 1973092786, 3946185572, 4087120771, 8174241542, 16348483084, 25509271019, 28609845397, 51018542038, 57219690794, 102037084076, 114439381588, 178564897133, 357129794266, 714259588532, 739768859551, 1479537719102, 2959075438204, 5178382016857, 10356764033714, 20713528067428]

約数ペア:

[(1, 20713528067428), (2, 10356764033714), (4, 5178382016857), (7, 2959075438204), (14, 1479537719102), (28, 739768859551), (29, 714259588532), (58, 357129794266), (116, 178564897133), (181, 114439381588), (203, 102037084076), (362, 57219690794), (406, 51018542038), (724, 28609845397), (812, 25509271019), (1267, 16348483084), (2534, 8174241542), (5068, 4087120771), (5249, 3946185572), (10498, 1973092786), (20996, 986546393), (36743, 563740796), (73486, 281870398), (146972, 140935199)]