20802364

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{151}}^1$

素因数の和:298

約数の個数: 48

約数和(自身を含む): 41674752

約数和(自身を除く): 20872388

約数列:

[1, 2, 4, 11, 22, 31, 44, 62, 101, 124, 151, 202, 302, 341, 404, 604, 682, 1111, 1364, 1661, 2222, 3131, 3322, 4444, 4681, 6262, 6644, 9362, 12524, 15251, 18724, 30502, 34441, 51491, 61004, 68882, 102982, 137764, 167761, 205964, 335522, 472781, 671044, 945562, 1891124, 5200591, 10401182, 20802364]

約数ペア:

[(1, 20802364), (2, 10401182), (4, 5200591), (11, 1891124), (22, 945562), (31, 671044), (44, 472781), (62, 335522), (101, 205964), (124, 167761), (151, 137764), (202, 102982), (302, 68882), (341, 61004), (404, 51491), (604, 34441), (682, 30502), (1111, 18724), (1364, 15251), (1661, 12524), (2222, 9362), (3131, 6644), (3322, 6262), (4444, 4681)]