2017410020

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{197}}^1\times {\mathrm{9661}}^1$

素因数の和:9920

約数の個数: 48

約数和(自身を含む): 4338856368

約数和(自身を除く): 2321446348

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 197, 212, 265, 394, 530, 788, 985, 1060, 1970, 3940, 9661, 10441, 19322, 20882, 38644, 41764, 48305, 52205, 96610, 104410, 193220, 208820, 512033, 1024066, 1903217, 2048132, 2560165, 3806434, 5120330, 7612868, 9516085, 10240660, 19032170, 38064340, 100870501, 201741002, 403482004, 504352505, 1008705010, 2017410020]

約数ペア:

[(1, 2017410020), (2, 1008705010), (4, 504352505), (5, 403482004), (10, 201741002), (20, 100870501), (53, 38064340), (106, 19032170), (197, 10240660), (212, 9516085), (265, 7612868), (394, 5120330), (530, 3806434), (788, 2560165), (985, 2048132), (1060, 1903217), (1970, 1024066), (3940, 512033), (9661, 208820), (10441, 193220), (19322, 104410), (20882, 96610), (38644, 52205), (41764, 48305)]