20281034235

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{151}}^1\times {\mathrm{1129}}^1$

素因数の和:1409

約数の個数: 128

約数和(自身を含む): 41156444160

約数和(自身を除く): 20875409925

約数列:

[1, 3, 5, 7, 11, 15, 21, 33, 35, 55, 77, 103, 105, 151, 165, 231, 309, 385, 453, 515, 721, 755, 1057, 1129, 1133, 1155, 1545, 1661, 2163, 2265, 3171, 3387, 3399, 3605, 4983, 5285, 5645, 5665, 7903, 7931, 8305, 10815, 11627, 12419, 15553, 15855, 16935, 16995, 23709, 23793, 24915, 34881, 37257, 39515, 39655, 46659, 58135, 62095, 77765, 86933, 108871, 116287, 118545, 118965, 170479, 171083, 174405, 186285, 233295, 260799, 326613, 348861, 434665, 511437, 513249, 544355, 581435, 814009, 852395, 855415, 1193353, 1197581, 1279157, 1303995, 1633065, 1744305, 1875269, 2442027, 2557185, 2566245, 3580059, 3592743, 3837471, 4070045, 5625807, 5966765, 5987905, 6395785, 8954099, 9376345, 12210135, 13126883, 17559337, 17900295, 17963715, 19187355, 26862297, 28129035, 39380649, 44770495, 52678011, 65634415, 87796685, 122915359, 134311485, 193152707, 196903245, 263390055, 368746077, 579458121, 614576795, 965763535, 1352068949, 1843730385, 2897290605, 4056206847, 6760344745, 20281034235]

約数ペア:

[(1, 20281034235), (3, 6760344745), (5, 4056206847), (7, 2897290605), (11, 1843730385), (15, 1352068949), (21, 965763535), (33, 614576795), (35, 579458121), (55, 368746077), (77, 263390055), (103, 196903245), (105, 193152707), (151, 134311485), (165, 122915359), (231, 87796685), (309, 65634415), (385, 52678011), (453, 44770495), (515, 39380649), (721, 28129035), (755, 26862297), (1057, 19187355), (1129, 17963715), (1133, 17900295), (1155, 17559337), (1545, 13126883), (1661, 12210135), (2163, 9376345), (2265, 8954099), (3171, 6395785), (3387, 5987905), (3399, 5966765), (3605, 5625807), (4983, 4070045), (5285, 3837471), (5645, 3592743), (5665, 3580059), (7903, 2566245), (7931, 2557185), (8305, 2442027), (10815, 1875269), (11627, 1744305), (12419, 1633065), (15553, 1303995), (15855, 1279157), (16935, 1197581), (16995, 1193353), (23709, 855415), (23793, 852395), (24915, 814009), (34881, 581435), (37257, 544355), (39515, 513249), (39655, 511437), (46659, 434665), (58135, 348861), (62095, 326613), (77765, 260799), (86933, 233295), (108871, 186285), (116287, 174405), (118545, 171083), (118965, 170479)]