12570020

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{1741}}^1$

素因数の和:1788

約数の個数: 36

約数和(自身を含む): 27875484

約数和(自身を除く): 15305464

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 361, 380, 722, 1444, 1741, 1805, 3482, 3610, 6964, 7220, 8705, 17410, 33079, 34820, 66158, 132316, 165395, 330790, 628501, 661580, 1257002, 2514004, 3142505, 6285010, 12570020]

約数ペア:

[(1, 12570020), (2, 6285010), (4, 3142505), (5, 2514004), (10, 1257002), (19, 661580), (20, 628501), (38, 330790), (76, 165395), (95, 132316), (190, 66158), (361, 34820), (380, 33079), (722, 17410), (1444, 8705), (1741, 7220), (1805, 6964), (3482, 3610)]