20822200

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{107}}^1\times {\mathrm{139}}^1$

素因数の和:269

約数の個数: 96

約数和(自身を含む): 56246400

約数和(自身を除く): 35424200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 50, 56, 70, 100, 107, 139, 140, 175, 200, 214, 278, 280, 350, 428, 535, 556, 695, 700, 749, 856, 973, 1070, 1112, 1390, 1400, 1498, 1946, 2140, 2675, 2780, 2996, 3475, 3745, 3892, 4280, 4865, 5350, 5560, 5992, 6950, 7490, 7784, 9730, 10700, 13900, 14873, 14980, 18725, 19460, 21400, 24325, 27800, 29746, 29960, 37450, 38920, 48650, 59492, 74365, 74900, 97300, 104111, 118984, 148730, 149800, 194600, 208222, 297460, 371825, 416444, 520555, 594920, 743650, 832888, 1041110, 1487300, 2082220, 2602775, 2974600, 4164440, 5205550, 10411100, 20822200]

約数ペア:

[(1, 20822200), (2, 10411100), (4, 5205550), (5, 4164440), (7, 2974600), (8, 2602775), (10, 2082220), (14, 1487300), (20, 1041110), (25, 832888), (28, 743650), (35, 594920), (40, 520555), (50, 416444), (56, 371825), (70, 297460), (100, 208222), (107, 194600), (139, 149800), (140, 148730), (175, 118984), (200, 104111), (214, 97300), (278, 74900), (280, 74365), (350, 59492), (428, 48650), (535, 38920), (556, 37450), (695, 29960), (700, 29746), (749, 27800), (856, 24325), (973, 21400), (1070, 19460), (1112, 18725), (1390, 14980), (1400, 14873), (1498, 13900), (1946, 10700), (2140, 9730), (2675, 7784), (2780, 7490), (2996, 6950), (3475, 5992), (3745, 5560), (3892, 5350), (4280, 4865)]