20171508

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{5857}}^1$

素因数の和:5912

約数の個数: 48

約数和(自身を含む): 55112064

約数和(自身を除く): 34940556

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 41, 42, 82, 84, 123, 164, 246, 287, 492, 574, 861, 1148, 1722, 3444, 5857, 11714, 17571, 23428, 35142, 40999, 70284, 81998, 122997, 163996, 240137, 245994, 480274, 491988, 720411, 960548, 1440822, 1680959, 2881644, 3361918, 5042877, 6723836, 10085754, 20171508]

約数ペア:

[(1, 20171508), (2, 10085754), (3, 6723836), (4, 5042877), (6, 3361918), (7, 2881644), (12, 1680959), (14, 1440822), (21, 960548), (28, 720411), (41, 491988), (42, 480274), (82, 245994), (84, 240137), (123, 163996), (164, 122997), (246, 81998), (287, 70284), (492, 40999), (574, 35142), (861, 23428), (1148, 17571), (1722, 11714), (3444, 5857)]