20808564

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1$

素因数の和:237

約数の個数: 96

約数和(自身を含む): 58662912

約数和(自身を除く): 37854348

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 31, 42, 61, 62, 84, 93, 122, 124, 131, 183, 186, 217, 244, 262, 366, 372, 393, 427, 434, 524, 651, 732, 786, 854, 868, 917, 1281, 1302, 1572, 1708, 1834, 1891, 2562, 2604, 2751, 3668, 3782, 4061, 5124, 5502, 5673, 7564, 7991, 8122, 11004, 11346, 12183, 13237, 15982, 16244, 22692, 23973, 24366, 26474, 28427, 31964, 39711, 47946, 48732, 52948, 55937, 56854, 79422, 85281, 95892, 111874, 113708, 158844, 167811, 170562, 223748, 247721, 335622, 341124, 495442, 671244, 743163, 990884, 1486326, 1734047, 2972652, 3468094, 5202141, 6936188, 10404282, 20808564]

約数ペア:

[(1, 20808564), (2, 10404282), (3, 6936188), (4, 5202141), (6, 3468094), (7, 2972652), (12, 1734047), (14, 1486326), (21, 990884), (28, 743163), (31, 671244), (42, 495442), (61, 341124), (62, 335622), (84, 247721), (93, 223748), (122, 170562), (124, 167811), (131, 158844), (183, 113708), (186, 111874), (217, 95892), (244, 85281), (262, 79422), (366, 56854), (372, 55937), (393, 52948), (427, 48732), (434, 47946), (524, 39711), (651, 31964), (732, 28427), (786, 26474), (854, 24366), (868, 23973), (917, 22692), (1281, 16244), (1302, 15982), (1572, 13237), (1708, 12183), (1834, 11346), (1891, 11004), (2562, 8122), (2604, 7991), (2751, 7564), (3668, 5673), (3782, 5502), (4061, 5124)]