20175350156

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{257}}^1\times {\mathrm{10861}}^1$

素因数の和:11274

約数の個数: 48

約数和(自身を含む): 38448873120

約数和(自身を除く): 18273522964

約数列:

[1, 2, 4, 13, 26, 52, 139, 257, 278, 514, 556, 1028, 1807, 3341, 3614, 6682, 7228, 10861, 13364, 21722, 35723, 43444, 71446, 141193, 142892, 282386, 464399, 564772, 928798, 1509679, 1857596, 2791277, 3019358, 5582554, 6038716, 11165108, 19625827, 36286601, 39251654, 72573202, 78503308, 145146404, 387987503, 775975006, 1551950012, 5043837539, 10087675078, 20175350156]

約数ペア:

[(1, 20175350156), (2, 10087675078), (4, 5043837539), (13, 1551950012), (26, 775975006), (52, 387987503), (139, 145146404), (257, 78503308), (278, 72573202), (514, 39251654), (556, 36286601), (1028, 19625827), (1807, 11165108), (3341, 6038716), (3614, 5582554), (6682, 3019358), (7228, 2791277), (10861, 1857596), (13364, 1509679), (21722, 928798), (35723, 564772), (43444, 464399), (71446, 282386), (141193, 142892)]