20171220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{227}}^1\times {\mathrm{1481}}^1$

素因数の和:1720

約数の個数: 48

約数和(自身を含む): 56766528

約数和(自身を除く): 36595308

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 227, 454, 681, 908, 1135, 1362, 1481, 2270, 2724, 2962, 3405, 4443, 4540, 5924, 6810, 7405, 8886, 13620, 14810, 17772, 22215, 29620, 44430, 88860, 336187, 672374, 1008561, 1344748, 1680935, 2017122, 3361870, 4034244, 5042805, 6723740, 10085610, 20171220]

約数ペア:

[(1, 20171220), (2, 10085610), (3, 6723740), (4, 5042805), (5, 4034244), (6, 3361870), (10, 2017122), (12, 1680935), (15, 1344748), (20, 1008561), (30, 672374), (60, 336187), (227, 88860), (454, 44430), (681, 29620), (908, 22215), (1135, 17772), (1362, 14810), (1481, 13620), (2270, 8886), (2724, 7405), (2962, 6810), (3405, 5924), (4443, 4540)]