20005518

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{13499}}^1$

素因数の和:13536

約数の個数: 32

約数和(自身を含む): 45360000

約数和(自身を除く): 25354482

約数列:

[1, 2, 3, 6, 13, 19, 26, 38, 39, 57, 78, 114, 247, 494, 741, 1482, 13499, 26998, 40497, 80994, 175487, 256481, 350974, 512962, 526461, 769443, 1052922, 1538886, 3334253, 6668506, 10002759, 20005518]

約数ペア:

[(1, 20005518), (2, 10002759), (3, 6668506), (6, 3334253), (13, 1538886), (19, 1052922), (26, 769443), (38, 526461), (39, 512962), (57, 350974), (78, 256481), (114, 175487), (247, 80994), (494, 40497), (741, 26998), (1482, 13499)]