20217770944

素因数分解:

$2^6\times 7^1\times {\mathrm{173}}^1\times {\mathrm{260861}}^1$

素因数の和:261053

約数の個数: 56

約数和(自身を含む): 46116227808

約数和(自身を除く): 25898456864

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 173, 224, 346, 448, 692, 1211, 1384, 2422, 2768, 4844, 5536, 9688, 11072, 19376, 38752, 77504, 260861, 521722, 1043444, 1826027, 2086888, 3652054, 4173776, 7304108, 8347552, 14608216, 16695104, 29216432, 45128953, 58432864, 90257906, 116865728, 180515812, 315902671, 361031624, 631805342, 722063248, 1263610684, 1444126496, 2527221368, 2888252992, 5054442736, 10108885472, 20217770944]

約数ペア:

[(1, 20217770944), (2, 10108885472), (4, 5054442736), (7, 2888252992), (8, 2527221368), (14, 1444126496), (16, 1263610684), (28, 722063248), (32, 631805342), (56, 361031624), (64, 315902671), (112, 180515812), (173, 116865728), (224, 90257906), (346, 58432864), (448, 45128953), (692, 29216432), (1211, 16695104), (1384, 14608216), (2422, 8347552), (2768, 7304108), (4844, 4173776), (5536, 3652054), (9688, 2086888), (11072, 1826027), (19376, 1043444), (38752, 521722), (77504, 260861)]