20603100

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{9811}}^1$

素因数の和:9835

約数の個数: 72

約数和(自身を含む): 68134528

約数和(自身を除く): 47531428

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 50, 60, 70, 75, 84, 100, 105, 140, 150, 175, 210, 300, 350, 420, 525, 700, 1050, 2100, 9811, 19622, 29433, 39244, 49055, 58866, 68677, 98110, 117732, 137354, 147165, 196220, 206031, 245275, 274708, 294330, 343385, 412062, 490550, 588660, 686770, 735825, 824124, 981100, 1030155, 1373540, 1471650, 1716925, 2060310, 2943300, 3433850, 4120620, 5150775, 6867700, 10301550, 20603100]

約数ペア:

[(1, 20603100), (2, 10301550), (3, 6867700), (4, 5150775), (5, 4120620), (6, 3433850), (7, 2943300), (10, 2060310), (12, 1716925), (14, 1471650), (15, 1373540), (20, 1030155), (21, 981100), (25, 824124), (28, 735825), (30, 686770), (35, 588660), (42, 490550), (50, 412062), (60, 343385), (70, 294330), (75, 274708), (84, 245275), (100, 206031), (105, 196220), (140, 147165), (150, 137354), (175, 117732), (210, 98110), (300, 68677), (350, 58866), (420, 49055), (525, 39244), (700, 29433), (1050, 19622), (2100, 9811)]