20145488636

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{422479}}^1$

素因数の和:422634

約数の個数: 48

約数和(自身を含む): 43721610240

約数和(自身を除く): 23576121604

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 131, 182, 262, 364, 524, 917, 1703, 1834, 3406, 3668, 6812, 11921, 23842, 47684, 422479, 844958, 1689916, 2957353, 5492227, 5914706, 10984454, 11829412, 21968908, 38445589, 55344749, 76891178, 110689498, 153782356, 221378996, 387413243, 719481737, 774826486, 1438963474, 1549652972, 2877926948, 5036372159, 10072744318, 20145488636]

約数ペア:

[(1, 20145488636), (2, 10072744318), (4, 5036372159), (7, 2877926948), (13, 1549652972), (14, 1438963474), (26, 774826486), (28, 719481737), (52, 387413243), (91, 221378996), (131, 153782356), (182, 110689498), (262, 76891178), (364, 55344749), (524, 38445589), (917, 21968908), (1703, 11829412), (1834, 10984454), (3406, 5914706), (3668, 5492227), (6812, 2957353), (11921, 1689916), (23842, 844958), (47684, 422479)]