20600888

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{631}}^1$

素因数の和:708

約数の個数: 64

約数和(自身を含む): 49144320

約数和(自身を除く): 28543432

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 53, 56, 77, 88, 106, 154, 212, 308, 371, 424, 583, 616, 631, 742, 1166, 1262, 1484, 2332, 2524, 2968, 4081, 4417, 4664, 5048, 6941, 8162, 8834, 13882, 16324, 17668, 27764, 32648, 33443, 35336, 48587, 55528, 66886, 97174, 133772, 194348, 234101, 267544, 367873, 388696, 468202, 735746, 936404, 1471492, 1872808, 2575111, 2942984, 5150222, 10300444, 20600888]

約数ペア:

[(1, 20600888), (2, 10300444), (4, 5150222), (7, 2942984), (8, 2575111), (11, 1872808), (14, 1471492), (22, 936404), (28, 735746), (44, 468202), (53, 388696), (56, 367873), (77, 267544), (88, 234101), (106, 194348), (154, 133772), (212, 97174), (308, 66886), (371, 55528), (424, 48587), (583, 35336), (616, 33443), (631, 32648), (742, 27764), (1166, 17668), (1262, 16324), (1484, 13882), (2332, 8834), (2524, 8162), (2968, 6941), (4081, 5048), (4417, 4664)]