20971546400

素因数分解:

$2^5\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{197101}}^1$

素因数の和:197147

約数の個数: 144

約数和(自身を含む): 61590432960

約数和(自身を除く): 40618886560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 25, 28, 32, 35, 38, 40, 50, 56, 70, 76, 80, 95, 100, 112, 133, 140, 152, 160, 175, 190, 200, 224, 266, 280, 304, 350, 380, 400, 475, 532, 560, 608, 665, 700, 760, 800, 950, 1064, 1120, 1330, 1400, 1520, 1900, 2128, 2660, 2800, 3040, 3325, 3800, 4256, 5320, 5600, 6650, 7600, 10640, 13300, 15200, 21280, 26600, 53200, 106400, 197101, 394202, 788404, 985505, 1379707, 1576808, 1971010, 2759414, 3153616, 3744919, 3942020, 4927525, 5518828, 6307232, 6898535, 7489838, 7884040, 9855050, 11037656, 13797070, 14979676, 15768080, 18724595, 19710100, 22075312, 26214433, 27594140, 29959352, 31536160, 34492675, 37449190, 39420200, 44150624, 52428866, 55188280, 59918704, 68985350, 74898380, 78840400, 93622975, 104857732, 110376560, 119837408, 131072165, 137970700, 149796760, 157680800, 187245950, 209715464, 220753120, 262144330, 275941400, 299593520, 374491900, 419430928, 524288660, 551882800, 599187040, 655360825, 748983800, 838861856, 1048577320, 1103765600, 1310721650, 1497967600, 2097154640, 2621443300, 2995935200, 4194309280, 5242886600, 10485773200, 20971546400]

約数ペア:

[(1, 20971546400), (2, 10485773200), (4, 5242886600), (5, 4194309280), (7, 2995935200), (8, 2621443300), (10, 2097154640), (14, 1497967600), (16, 1310721650), (19, 1103765600), (20, 1048577320), (25, 838861856), (28, 748983800), (32, 655360825), (35, 599187040), (38, 551882800), (40, 524288660), (50, 419430928), (56, 374491900), (70, 299593520), (76, 275941400), (80, 262144330), (95, 220753120), (100, 209715464), (112, 187245950), (133, 157680800), (140, 149796760), (152, 137970700), (160, 131072165), (175, 119837408), (190, 110376560), (200, 104857732), (224, 93622975), (266, 78840400), (280, 74898380), (304, 68985350), (350, 59918704), (380, 55188280), (400, 52428866), (475, 44150624), (532, 39420200), (560, 37449190), (608, 34492675), (665, 31536160), (700, 29959352), (760, 27594140), (800, 26214433), (950, 22075312), (1064, 19710100), (1120, 18724595), (1330, 15768080), (1400, 14979676), (1520, 13797070), (1900, 11037656), (2128, 9855050), (2660, 7884040), (2800, 7489838), (3040, 6898535), (3325, 6307232), (3800, 5518828), (4256, 4927525), (5320, 3942020), (5600, 3744919), (6650, 3153616), (7600, 2759414), (10640, 1971010), (13300, 1576808), (15200, 1379707), (21280, 985505), (26600, 788404), (53200, 394202), (106400, 197101)]