20147200905

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{179}}^1\times {\mathrm{1787}}^1$

素因数の和:2023

約数の個数: 128

約数和(自身を含む): 38929766400

約数和(自身を除く): 18782565495

約数列:

[1, 3, 5, 13, 15, 17, 19, 39, 51, 57, 65, 85, 95, 179, 195, 221, 247, 255, 285, 323, 537, 663, 741, 895, 969, 1105, 1235, 1615, 1787, 2327, 2685, 3043, 3315, 3401, 3705, 4199, 4845, 5361, 6981, 8935, 9129, 10203, 11635, 12597, 15215, 17005, 20995, 23231, 26805, 30379, 33953, 34905, 39559, 44213, 45645, 51015, 57817, 62985, 69693, 91137, 101859, 116155, 118677, 132639, 151895, 169765, 173451, 197795, 221065, 289085, 319873, 348465, 394927, 441389, 455685, 509295, 577201, 593385, 663195, 751621, 867255, 959619, 1184781, 1324167, 1599365, 1731603, 1974635, 2206945, 2254863, 2886005, 3758105, 4158349, 4798095, 5437841, 5923905, 6077587, 6620835, 7503613, 8658015, 11274315, 12475047, 16313523, 18232761, 20791745, 22510839, 27189205, 30387935, 37518065, 62375235, 70691933, 79008631, 81567615, 91163805, 103318979, 112554195, 212075799, 237025893, 309956937, 353459665, 395043155, 516594895, 1060378995, 1185129465, 1343146727, 1549784685, 4029440181, 6715733635, 20147200905]

約数ペア:

[(1, 20147200905), (3, 6715733635), (5, 4029440181), (13, 1549784685), (15, 1343146727), (17, 1185129465), (19, 1060378995), (39, 516594895), (51, 395043155), (57, 353459665), (65, 309956937), (85, 237025893), (95, 212075799), (179, 112554195), (195, 103318979), (221, 91163805), (247, 81567615), (255, 79008631), (285, 70691933), (323, 62375235), (537, 37518065), (663, 30387935), (741, 27189205), (895, 22510839), (969, 20791745), (1105, 18232761), (1235, 16313523), (1615, 12475047), (1787, 11274315), (2327, 8658015), (2685, 7503613), (3043, 6620835), (3315, 6077587), (3401, 5923905), (3705, 5437841), (4199, 4798095), (4845, 4158349), (5361, 3758105), (6981, 2886005), (8935, 2254863), (9129, 2206945), (10203, 1974635), (11635, 1731603), (12597, 1599365), (15215, 1324167), (17005, 1184781), (20995, 959619), (23231, 867255), (26805, 751621), (30379, 663195), (33953, 593385), (34905, 577201), (39559, 509295), (44213, 455685), (45645, 441389), (51015, 394927), (57817, 348465), (62985, 319873), (69693, 289085), (91137, 221065), (101859, 197795), (116155, 173451), (118677, 169765), (132639, 151895)]