20669856

素因数分解:

$2^5\times 3^1\times {\mathrm{139}}^1\times {\mathrm{1549}}^1$

素因数の和:1701

約数の個数: 48

約数和(自身を含む): 54684000

約数和(自身を除く): 34014144

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 96, 139, 278, 417, 556, 834, 1112, 1549, 1668, 2224, 3098, 3336, 4448, 4647, 6196, 6672, 9294, 12392, 13344, 18588, 24784, 37176, 49568, 74352, 148704, 215311, 430622, 645933, 861244, 1291866, 1722488, 2583732, 3444976, 5167464, 6889952, 10334928, 20669856]

約数ペア:

[(1, 20669856), (2, 10334928), (3, 6889952), (4, 5167464), (6, 3444976), (8, 2583732), (12, 1722488), (16, 1291866), (24, 861244), (32, 645933), (48, 430622), (96, 215311), (139, 148704), (278, 74352), (417, 49568), (556, 37176), (834, 24784), (1112, 18588), (1549, 13344), (1668, 12392), (2224, 9294), (3098, 6672), (3336, 6196), (4448, 4647)]