20890296

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{181}}^1\times {\mathrm{229}}^1$

素因数の和:429

約数の個数: 96

約数和(自身を含む): 65301600

約数和(自身を除く): 44411304

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 56, 63, 72, 84, 126, 168, 181, 229, 252, 362, 458, 504, 543, 687, 724, 916, 1086, 1267, 1374, 1448, 1603, 1629, 1832, 2061, 2172, 2534, 2748, 3206, 3258, 3801, 4122, 4344, 4809, 5068, 5496, 6412, 6516, 7602, 8244, 9618, 10136, 11403, 12824, 13032, 14427, 15204, 16488, 19236, 22806, 28854, 30408, 38472, 41449, 45612, 57708, 82898, 91224, 115416, 124347, 165796, 248694, 290143, 331592, 373041, 497388, 580286, 746082, 870429, 994776, 1160572, 1492164, 1740858, 2321144, 2611287, 2984328, 3481716, 5222574, 6963432, 10445148, 20890296]

約数ペア:

[(1, 20890296), (2, 10445148), (3, 6963432), (4, 5222574), (6, 3481716), (7, 2984328), (8, 2611287), (9, 2321144), (12, 1740858), (14, 1492164), (18, 1160572), (21, 994776), (24, 870429), (28, 746082), (36, 580286), (42, 497388), (56, 373041), (63, 331592), (72, 290143), (84, 248694), (126, 165796), (168, 124347), (181, 115416), (229, 91224), (252, 82898), (362, 57708), (458, 45612), (504, 41449), (543, 38472), (687, 30408), (724, 28854), (916, 22806), (1086, 19236), (1267, 16488), (1374, 15204), (1448, 14427), (1603, 13032), (1629, 12824), (1832, 11403), (2061, 10136), (2172, 9618), (2534, 8244), (2748, 7602), (3206, 6516), (3258, 6412), (3801, 5496), (4122, 5068), (4344, 4809)]