20291986

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{70951}}^1$

素因数の和:70977

約数の個数: 16

約数和(自身を含む): 35759808

約数和(自身を除く): 15467822

約数列:

[1, 2, 11, 13, 22, 26, 143, 286, 70951, 141902, 780461, 922363, 1560922, 1844726, 10145993, 20291986]

約数ペア:

[(1, 20291986), (2, 10145993), (11, 1844726), (13, 1560922), (22, 922363), (26, 780461), (143, 141902), (286, 70951)]