20364208

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{839}}^1$

素因数の和:925

約数の個数: 40

約数和(自身を含む): 41559840

約数和(自身を除く): 21195632

約数列:

[1, 2, 4, 8, 16, 37, 41, 74, 82, 148, 164, 296, 328, 592, 656, 839, 1517, 1678, 3034, 3356, 6068, 6712, 12136, 13424, 24272, 31043, 34399, 62086, 68798, 124172, 137596, 248344, 275192, 496688, 550384, 1272763, 2545526, 5091052, 10182104, 20364208]

約数ペア:

[(1, 20364208), (2, 10182104), (4, 5091052), (8, 2545526), (16, 1272763), (37, 550384), (41, 496688), (74, 275192), (82, 248344), (148, 137596), (164, 124172), (296, 68798), (328, 62086), (592, 34399), (656, 31043), (839, 24272), (1517, 13424), (1678, 12136), (3034, 6712), (3356, 6068)]