20460244

素因数分解:

$2^2\times 7^2\times {\mathrm{139}}^1\times {\mathrm{751}}^1$

素因数の和:908

約数の個数: 36

約数和(自身を含む): 42006720

約数和(自身を除く): 21546476

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 139, 196, 278, 556, 751, 973, 1502, 1946, 3004, 3892, 5257, 6811, 10514, 13622, 21028, 27244, 36799, 73598, 104389, 147196, 208778, 417556, 730723, 1461446, 2922892, 5115061, 10230122, 20460244]

約数ペア:

[(1, 20460244), (2, 10230122), (4, 5115061), (7, 2922892), (14, 1461446), (28, 730723), (49, 417556), (98, 208778), (139, 147196), (196, 104389), (278, 73598), (556, 36799), (751, 27244), (973, 21028), (1502, 13622), (1946, 10514), (3004, 6811), (3892, 5257)]