20695836

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{577}}^1$

素因数の和:659

約数の個数: 72

約数和(自身を含む): 57194256

約数和(自身を除く): 36498420

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 61, 84, 98, 122, 147, 183, 196, 244, 294, 366, 427, 577, 588, 732, 854, 1154, 1281, 1708, 1731, 2308, 2562, 2989, 3462, 4039, 5124, 5978, 6924, 8078, 8967, 11956, 12117, 16156, 17934, 24234, 28273, 35197, 35868, 48468, 56546, 70394, 84819, 105591, 113092, 140788, 169638, 211182, 246379, 339276, 422364, 492758, 739137, 985516, 1478274, 1724653, 2956548, 3449306, 5173959, 6898612, 10347918, 20695836]

約数ペア:

[(1, 20695836), (2, 10347918), (3, 6898612), (4, 5173959), (6, 3449306), (7, 2956548), (12, 1724653), (14, 1478274), (21, 985516), (28, 739137), (42, 492758), (49, 422364), (61, 339276), (84, 246379), (98, 211182), (122, 169638), (147, 140788), (183, 113092), (196, 105591), (244, 84819), (294, 70394), (366, 56546), (427, 48468), (577, 35868), (588, 35197), (732, 28273), (854, 24234), (1154, 17934), (1281, 16156), (1708, 12117), (1731, 11956), (2308, 8967), (2562, 8078), (2989, 6924), (3462, 5978), (4039, 5124)]