20145888904

素因数分解:

$2^3\times {\mathrm{31}}^2\times {\mathrm{41}}^1\times {\mathrm{63913}}^1$

素因数の和:64022

約数の個数: 48

約数和(自身を含む): 39983959260

約数和(自身を除く): 19838070356

約数列:

[1, 2, 4, 8, 31, 41, 62, 82, 124, 164, 248, 328, 961, 1271, 1922, 2542, 3844, 5084, 7688, 10168, 39401, 63913, 78802, 127826, 157604, 255652, 315208, 511304, 1981303, 2620433, 3962606, 5240866, 7925212, 10481732, 15850424, 20963464, 61420393, 81233423, 122840786, 162466846, 245681572, 324933692, 491363144, 649867384, 2518236113, 5036472226, 10072944452, 20145888904]

約数ペア:

[(1, 20145888904), (2, 10072944452), (4, 5036472226), (8, 2518236113), (31, 649867384), (41, 491363144), (62, 324933692), (82, 245681572), (124, 162466846), (164, 122840786), (248, 81233423), (328, 61420393), (961, 20963464), (1271, 15850424), (1922, 10481732), (2542, 7925212), (3844, 5240866), (5084, 3962606), (7688, 2620433), (10168, 1981303), (39401, 511304), (63913, 315208), (78802, 255652), (127826, 157604)]