20246538

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^2\times {\mathrm{41}}^1\times {\mathrm{487}}^1$

素因数の和:559

約数の個数: 48

約数和(自身を含む): 45009216

約数和(自身を除く): 24762678

約数列:

[1, 2, 3, 6, 13, 26, 39, 41, 78, 82, 123, 169, 246, 338, 487, 507, 533, 974, 1014, 1066, 1461, 1599, 2922, 3198, 6331, 6929, 12662, 13858, 18993, 19967, 20787, 37986, 39934, 41574, 59901, 82303, 119802, 164606, 246909, 259571, 493818, 519142, 778713, 1557426, 3374423, 6748846, 10123269, 20246538]

約数ペア:

[(1, 20246538), (2, 10123269), (3, 6748846), (6, 3374423), (13, 1557426), (26, 778713), (39, 519142), (41, 493818), (78, 259571), (82, 246909), (123, 164606), (169, 119802), (246, 82303), (338, 59901), (487, 41574), (507, 39934), (533, 37986), (974, 20787), (1014, 19967), (1066, 18993), (1461, 13858), (1599, 12662), (2922, 6929), (3198, 6331)]