20043800

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{103}}^1\times {\mathrm{139}}^1$

素因数の和:265

約数の個数: 96

約数和(自身を含む): 54163200

約数和(自身を除く): 34119400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 50, 56, 70, 100, 103, 139, 140, 175, 200, 206, 278, 280, 350, 412, 515, 556, 695, 700, 721, 824, 973, 1030, 1112, 1390, 1400, 1442, 1946, 2060, 2575, 2780, 2884, 3475, 3605, 3892, 4120, 4865, 5150, 5560, 5768, 6950, 7210, 7784, 9730, 10300, 13900, 14317, 14420, 18025, 19460, 20600, 24325, 27800, 28634, 28840, 36050, 38920, 48650, 57268, 71585, 72100, 97300, 100219, 114536, 143170, 144200, 194600, 200438, 286340, 357925, 400876, 501095, 572680, 715850, 801752, 1002190, 1431700, 2004380, 2505475, 2863400, 4008760, 5010950, 10021900, 20043800]

約数ペア:

[(1, 20043800), (2, 10021900), (4, 5010950), (5, 4008760), (7, 2863400), (8, 2505475), (10, 2004380), (14, 1431700), (20, 1002190), (25, 801752), (28, 715850), (35, 572680), (40, 501095), (50, 400876), (56, 357925), (70, 286340), (100, 200438), (103, 194600), (139, 144200), (140, 143170), (175, 114536), (200, 100219), (206, 97300), (278, 72100), (280, 71585), (350, 57268), (412, 48650), (515, 38920), (556, 36050), (695, 28840), (700, 28634), (721, 27800), (824, 24325), (973, 20600), (1030, 19460), (1112, 18025), (1390, 14420), (1400, 14317), (1442, 13900), (1946, 10300), (2060, 9730), (2575, 7784), (2780, 7210), (2884, 6950), (3475, 5768), (3605, 5560), (3892, 5150), (4120, 4865)]