20999462

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{751}}^1$

素因数の和:836

約数の個数: 32

約数和(自身を含む): 36384768

約数和(自身を除く): 15385306

約数列:

[1, 2, 11, 22, 31, 41, 62, 82, 341, 451, 682, 751, 902, 1271, 1502, 2542, 8261, 13981, 16522, 23281, 27962, 30791, 46562, 61582, 256091, 338701, 512182, 677402, 954521, 1909042, 10499731, 20999462]

約数ペア:

[(1, 20999462), (2, 10499731), (11, 1909042), (22, 954521), (31, 677402), (41, 512182), (62, 338701), (82, 256091), (341, 61582), (451, 46562), (682, 30791), (751, 27962), (902, 23281), (1271, 16522), (1502, 13981), (2542, 8261)]