20866944

素因数分解:

$2^7\times 3^1\times 7^2\times {\mathrm{1109}}^1$

素因数の和:1140

約数の個数: 96

約数和(自身を含む): 64535400

約数和(自身を除く): 43668456

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 49, 56, 64, 84, 96, 98, 112, 128, 147, 168, 192, 196, 224, 294, 336, 384, 392, 448, 588, 672, 784, 896, 1109, 1176, 1344, 1568, 2218, 2352, 2688, 3136, 3327, 4436, 4704, 6272, 6654, 7763, 8872, 9408, 13308, 15526, 17744, 18816, 23289, 26616, 31052, 35488, 46578, 53232, 54341, 62104, 70976, 93156, 106464, 108682, 124208, 141952, 163023, 186312, 212928, 217364, 248416, 326046, 372624, 425856, 434728, 496832, 652092, 745248, 869456, 993664, 1304184, 1490496, 1738912, 2608368, 2980992, 3477824, 5216736, 6955648, 10433472, 20866944]

約数ペア:

[(1, 20866944), (2, 10433472), (3, 6955648), (4, 5216736), (6, 3477824), (7, 2980992), (8, 2608368), (12, 1738912), (14, 1490496), (16, 1304184), (21, 993664), (24, 869456), (28, 745248), (32, 652092), (42, 496832), (48, 434728), (49, 425856), (56, 372624), (64, 326046), (84, 248416), (96, 217364), (98, 212928), (112, 186312), (128, 163023), (147, 141952), (168, 124208), (192, 108682), (196, 106464), (224, 93156), (294, 70976), (336, 62104), (384, 54341), (392, 53232), (448, 46578), (588, 35488), (672, 31052), (784, 26616), (896, 23289), (1109, 18816), (1176, 17744), (1344, 15526), (1568, 13308), (2218, 9408), (2352, 8872), (2688, 7763), (3136, 6654), (3327, 6272), (4436, 4704)]