20188405552

素因数分解:

$2^4\times 7^1\times {\mathrm{167}}^1\times {\mathrm{197}}^1\times {\mathrm{5479}}^1$

素因数の和:5858

約数の個数: 80

約数和(自身を含む): 45207106560

約数和(自身を除く): 25018701008

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 167, 197, 334, 394, 668, 788, 1169, 1336, 1379, 1576, 2338, 2672, 2758, 3152, 4676, 5479, 5516, 9352, 10958, 11032, 18704, 21916, 22064, 32899, 38353, 43832, 65798, 76706, 87664, 131596, 153412, 230293, 263192, 306824, 460586, 526384, 613648, 914993, 921172, 1079363, 1829986, 1842344, 2158726, 3659972, 3684688, 4317452, 6404951, 7319944, 7555541, 8634904, 12809902, 14639888, 15111082, 17269808, 25619804, 30222164, 51239608, 60444328, 102479216, 120888656, 180253621, 360507242, 721014484, 1261775347, 1442028968, 2523550694, 2884057936, 5047101388, 10094202776, 20188405552]

約数ペア:

[(1, 20188405552), (2, 10094202776), (4, 5047101388), (7, 2884057936), (8, 2523550694), (14, 1442028968), (16, 1261775347), (28, 721014484), (56, 360507242), (112, 180253621), (167, 120888656), (197, 102479216), (334, 60444328), (394, 51239608), (668, 30222164), (788, 25619804), (1169, 17269808), (1336, 15111082), (1379, 14639888), (1576, 12809902), (2338, 8634904), (2672, 7555541), (2758, 7319944), (3152, 6404951), (4676, 4317452), (5479, 3684688), (5516, 3659972), (9352, 2158726), (10958, 1842344), (11032, 1829986), (18704, 1079363), (21916, 921172), (22064, 914993), (32899, 613648), (38353, 526384), (43832, 460586), (65798, 306824), (76706, 263192), (87664, 230293), (131596, 153412)]