20540604

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{181}}^1\times {\mathrm{193}}^1$

素因数の和:395

約数の個数: 72

約数和(自身を含む): 56351568

約数和(自身を除く): 35810964

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 147, 181, 193, 196, 294, 362, 386, 543, 579, 588, 724, 772, 1086, 1158, 1267, 1351, 2172, 2316, 2534, 2702, 3801, 4053, 5068, 5404, 7602, 8106, 8869, 9457, 15204, 16212, 17738, 18914, 26607, 28371, 34933, 35476, 37828, 53214, 56742, 69866, 104799, 106428, 113484, 139732, 209598, 244531, 419196, 489062, 733593, 978124, 1467186, 1711717, 2934372, 3423434, 5135151, 6846868, 10270302, 20540604]

約数ペア:

[(1, 20540604), (2, 10270302), (3, 6846868), (4, 5135151), (6, 3423434), (7, 2934372), (12, 1711717), (14, 1467186), (21, 978124), (28, 733593), (42, 489062), (49, 419196), (84, 244531), (98, 209598), (147, 139732), (181, 113484), (193, 106428), (196, 104799), (294, 69866), (362, 56742), (386, 53214), (543, 37828), (579, 35476), (588, 34933), (724, 28371), (772, 26607), (1086, 18914), (1158, 17738), (1267, 16212), (1351, 15204), (2172, 9457), (2316, 8869), (2534, 8106), (2702, 7602), (3801, 5404), (4053, 5068)]