66702020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43313}}^1$

素因数の和:43340

約数の個数: 48

約数和(自身を含む): 174642048

約数和(自身を除く): 107940028

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 43313, 86626, 173252, 216565, 303191, 433130, 476443, 606382, 866260, 952886, 1212764, 1515955, 1905772, 2382215, 3031910, 3335101, 4764430, 6063820, 6670202, 9528860, 13340404, 16675505, 33351010, 66702020]

約数ペア:

[(1, 66702020), (2, 33351010), (4, 16675505), (5, 13340404), (7, 9528860), (10, 6670202), (11, 6063820), (14, 4764430), (20, 3335101), (22, 3031910), (28, 2382215), (35, 1905772), (44, 1515955), (55, 1212764), (70, 952886), (77, 866260), (110, 606382), (140, 476443), (154, 433130), (220, 303191), (308, 216565), (385, 173252), (770, 86626), (1540, 43313)]