20970996

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^2\times {\mathrm{6047}}^1$

素因数の和:6088

約数の個数: 36

約数和(自身を含む): 51988608

約数和(自身を除く): 31017612

約数列:

[1, 2, 3, 4, 6, 12, 17, 34, 51, 68, 102, 204, 289, 578, 867, 1156, 1734, 3468, 6047, 12094, 18141, 24188, 36282, 72564, 102799, 205598, 308397, 411196, 616794, 1233588, 1747583, 3495166, 5242749, 6990332, 10485498, 20970996]

約数ペア:

[(1, 20970996), (2, 10485498), (3, 6990332), (4, 5242749), (6, 3495166), (12, 1747583), (17, 1233588), (34, 616794), (51, 411196), (68, 308397), (102, 205598), (204, 102799), (289, 72564), (578, 36282), (867, 24188), (1156, 18141), (1734, 12094), (3468, 6047)]