20983226

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{541}}^1$

素因数の和:638

約数の個数: 32

約数和(自身を含む): 36058176

約数和(自身を除く): 15074950

約数列:

[1, 2, 11, 22, 41, 43, 82, 86, 451, 473, 541, 902, 946, 1082, 1763, 3526, 5951, 11902, 19393, 22181, 23263, 38786, 44362, 46526, 243991, 255893, 487982, 511786, 953783, 1907566, 10491613, 20983226]

約数ペア:

[(1, 20983226), (2, 10491613), (11, 1907566), (22, 953783), (41, 511786), (43, 487982), (82, 255893), (86, 243991), (451, 46526), (473, 44362), (541, 38786), (902, 23263), (946, 22181), (1082, 19393), (1763, 11902), (3526, 5951)]