20333824

素因数分解:

$2^8\times 7^2\times {\mathrm{1621}}^1$

素因数の和:1651

約数の個数: 54

約数和(自身を含む): 47243994

約数和(自身を除く): 26910170

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 128, 196, 224, 256, 392, 448, 784, 896, 1568, 1621, 1792, 3136, 3242, 6272, 6484, 11347, 12544, 12968, 22694, 25936, 45388, 51872, 79429, 90776, 103744, 158858, 181552, 207488, 317716, 363104, 414976, 635432, 726208, 1270864, 1452416, 2541728, 2904832, 5083456, 10166912, 20333824]

約数ペア:

[(1, 20333824), (2, 10166912), (4, 5083456), (7, 2904832), (8, 2541728), (14, 1452416), (16, 1270864), (28, 726208), (32, 635432), (49, 414976), (56, 363104), (64, 317716), (98, 207488), (112, 181552), (128, 158858), (196, 103744), (224, 90776), (256, 79429), (392, 51872), (448, 45388), (784, 25936), (896, 22694), (1568, 12968), (1621, 12544), (1792, 11347), (3136, 6484), (3242, 6272)]