20946416512

素因数分解:

$2^7\times 7^2\times {\mathrm{83}}^1\times {\mathrm{40237}}^1$

素因数の和:40348

約数の個数: 96

約数和(自身を含む): 49128183720

約数和(自身を除く): 28181767208

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 83, 98, 112, 128, 166, 196, 224, 332, 392, 448, 581, 664, 784, 896, 1162, 1328, 1568, 2324, 2656, 3136, 4067, 4648, 5312, 6272, 8134, 9296, 10624, 16268, 18592, 32536, 37184, 40237, 65072, 74368, 80474, 130144, 160948, 260288, 281659, 321896, 520576, 563318, 643792, 1126636, 1287584, 1971613, 2253272, 2575168, 3339671, 3943226, 4506544, 5150336, 6679342, 7886452, 9013088, 13358684, 15772904, 18026176, 23377697, 26717368, 31545808, 36052352, 46755394, 53434736, 63091616, 93510788, 106869472, 126183232, 163643879, 187021576, 213738944, 252366464, 327287758, 374043152, 427477888, 654575516, 748086304, 1309151032, 1496172608, 2618302064, 2992345216, 5236604128, 10473208256, 20946416512]

約数ペア:

[(1, 20946416512), (2, 10473208256), (4, 5236604128), (7, 2992345216), (8, 2618302064), (14, 1496172608), (16, 1309151032), (28, 748086304), (32, 654575516), (49, 427477888), (56, 374043152), (64, 327287758), (83, 252366464), (98, 213738944), (112, 187021576), (128, 163643879), (166, 126183232), (196, 106869472), (224, 93510788), (332, 63091616), (392, 53434736), (448, 46755394), (581, 36052352), (664, 31545808), (784, 26717368), (896, 23377697), (1162, 18026176), (1328, 15772904), (1568, 13358684), (2324, 9013088), (2656, 7886452), (3136, 6679342), (4067, 5150336), (4648, 4506544), (5312, 3943226), (6272, 3339671), (8134, 2575168), (9296, 2253272), (10624, 1971613), (16268, 1287584), (18592, 1126636), (32536, 643792), (37184, 563318), (40237, 520576), (65072, 321896), (74368, 281659), (80474, 260288), (130144, 160948)]