20187293356

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{29}}^2\times {\mathrm{131}}^1\times {\mathrm{2411}}^1$

素因数の和:2623

約数の個数: 72

約数和(自身を含む): 38823744960

約数和(自身を除く): 18636451604

約数列:

[1, 2, 4, 19, 29, 38, 58, 76, 116, 131, 262, 524, 551, 841, 1102, 1682, 2204, 2411, 2489, 3364, 3799, 4822, 4978, 7598, 9644, 9956, 15196, 15979, 31958, 45809, 63916, 69919, 72181, 91618, 110171, 139838, 144362, 183236, 220342, 279676, 288724, 315841, 440684, 631682, 1263364, 1328461, 2027651, 2093249, 2656922, 4055302, 4186498, 5313844, 6000979, 8110604, 8372996, 9159389, 12001958, 18318778, 24003916, 36637556, 38525369, 77050738, 154101476, 174028391, 265622281, 348056782, 531244562, 696113564, 1062489124, 5046823339, 10093646678, 20187293356]

約数ペア:

[(1, 20187293356), (2, 10093646678), (4, 5046823339), (19, 1062489124), (29, 696113564), (38, 531244562), (58, 348056782), (76, 265622281), (116, 174028391), (131, 154101476), (262, 77050738), (524, 38525369), (551, 36637556), (841, 24003916), (1102, 18318778), (1682, 12001958), (2204, 9159389), (2411, 8372996), (2489, 8110604), (3364, 6000979), (3799, 5313844), (4822, 4186498), (4978, 4055302), (7598, 2656922), (9644, 2093249), (9956, 2027651), (15196, 1328461), (15979, 1263364), (31958, 631682), (45809, 440684), (63916, 315841), (69919, 288724), (72181, 279676), (91618, 220342), (110171, 183236), (139838, 144362)]