20363008

素因数分解:

$2^8\times {\mathrm{17}}^1\times {\mathrm{4679}}^1$

素因数の和:4712

約数の個数: 36

約数和(自身を含む): 43046640

約数和(自身を除く): 22683632

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 128, 136, 256, 272, 544, 1088, 2176, 4352, 4679, 9358, 18716, 37432, 74864, 79543, 149728, 159086, 299456, 318172, 598912, 636344, 1197824, 1272688, 2545376, 5090752, 10181504, 20363008]

約数ペア:

[(1, 20363008), (2, 10181504), (4, 5090752), (8, 2545376), (16, 1272688), (17, 1197824), (32, 636344), (34, 598912), (64, 318172), (68, 299456), (128, 159086), (136, 149728), (256, 79543), (272, 74864), (544, 37432), (1088, 18716), (2176, 9358), (4352, 4679)]