20884872

素因数分解:

$2^3\times 3^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{811}}^1$

素因数の和:886

約数の個数: 64

約数和(自身を含む): 55540800

約数和(自身を除く): 34655928

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 29, 37, 58, 74, 87, 111, 116, 148, 174, 222, 232, 296, 348, 444, 696, 811, 888, 1073, 1622, 2146, 2433, 3219, 3244, 4292, 4866, 6438, 6488, 8584, 9732, 12876, 19464, 23519, 25752, 30007, 47038, 60014, 70557, 90021, 94076, 120028, 141114, 180042, 188152, 240056, 282228, 360084, 564456, 720168, 870203, 1740406, 2610609, 3480812, 5221218, 6961624, 10442436, 20884872]

約数ペア:

[(1, 20884872), (2, 10442436), (3, 6961624), (4, 5221218), (6, 3480812), (8, 2610609), (12, 1740406), (24, 870203), (29, 720168), (37, 564456), (58, 360084), (74, 282228), (87, 240056), (111, 188152), (116, 180042), (148, 141114), (174, 120028), (222, 94076), (232, 90021), (296, 70557), (348, 60014), (444, 47038), (696, 30007), (811, 25752), (888, 23519), (1073, 19464), (1622, 12876), (2146, 9732), (2433, 8584), (3219, 6488), (3244, 6438), (4292, 4866)]