20048406

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{653}}^1$

素因数の和:725

約数の個数: 64

約数和(自身を含む): 49724928

約数和(自身を除く): 29676522

約数列:

[1, 2, 3, 6, 7, 14, 17, 21, 34, 42, 43, 51, 86, 102, 119, 129, 238, 258, 301, 357, 602, 653, 714, 731, 903, 1306, 1462, 1806, 1959, 2193, 3918, 4386, 4571, 5117, 9142, 10234, 11101, 13713, 15351, 22202, 27426, 28079, 30702, 33303, 56158, 66606, 77707, 84237, 155414, 168474, 196553, 233121, 393106, 466242, 477343, 589659, 954686, 1179318, 1432029, 2864058, 3341401, 6682802, 10024203, 20048406]

約数ペア:

[(1, 20048406), (2, 10024203), (3, 6682802), (6, 3341401), (7, 2864058), (14, 1432029), (17, 1179318), (21, 954686), (34, 589659), (42, 477343), (43, 466242), (51, 393106), (86, 233121), (102, 196553), (119, 168474), (129, 155414), (238, 84237), (258, 77707), (301, 66606), (357, 56158), (602, 33303), (653, 30702), (714, 28079), (731, 27426), (903, 22202), (1306, 15351), (1462, 13713), (1806, 11101), (1959, 10234), (2193, 9142), (3918, 5117), (4386, 4571)]