20994456

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{7351}}^1$

素因数の和:7384

約数の個数: 64

約数和(自身を含む): 63521280

約数和(自身を除く): 42526824

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 17, 21, 24, 28, 34, 42, 51, 56, 68, 84, 102, 119, 136, 168, 204, 238, 357, 408, 476, 714, 952, 1428, 2856, 7351, 14702, 22053, 29404, 44106, 51457, 58808, 88212, 102914, 124967, 154371, 176424, 205828, 249934, 308742, 374901, 411656, 499868, 617484, 749802, 874769, 999736, 1234968, 1499604, 1749538, 2624307, 2999208, 3499076, 5248614, 6998152, 10497228, 20994456]

約数ペア:

[(1, 20994456), (2, 10497228), (3, 6998152), (4, 5248614), (6, 3499076), (7, 2999208), (8, 2624307), (12, 1749538), (14, 1499604), (17, 1234968), (21, 999736), (24, 874769), (28, 749802), (34, 617484), (42, 499868), (51, 411656), (56, 374901), (68, 308742), (84, 249934), (102, 205828), (119, 176424), (136, 154371), (168, 124967), (204, 102914), (238, 88212), (357, 58808), (408, 51457), (476, 44106), (714, 29404), (952, 22053), (1428, 14702), (2856, 7351)]