20869408

素因数分解:

$2^5\times 7^1\times {\mathrm{151}}^1\times {\mathrm{617}}^1$

素因数の和:785

約数の個数: 48

約数和(自身を含む): 47343744

約数和(自身を除く): 26474336

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 151, 224, 302, 604, 617, 1057, 1208, 1234, 2114, 2416, 2468, 4228, 4319, 4832, 4936, 8456, 8638, 9872, 16912, 17276, 19744, 33824, 34552, 69104, 93167, 138208, 186334, 372668, 652169, 745336, 1304338, 1490672, 2608676, 2981344, 5217352, 10434704, 20869408]

約数ペア:

[(1, 20869408), (2, 10434704), (4, 5217352), (7, 2981344), (8, 2608676), (14, 1490672), (16, 1304338), (28, 745336), (32, 652169), (56, 372668), (112, 186334), (151, 138208), (224, 93167), (302, 69104), (604, 34552), (617, 33824), (1057, 19744), (1208, 17276), (1234, 16912), (2114, 9872), (2416, 8638), (2468, 8456), (4228, 4936), (4319, 4832)]