20827312

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{6961}}^1$

素因数の和:6997

約数の個数: 40

約数和(自身を含む): 46617552

約数和(自身を除く): 25790240

約数列:

[1, 2, 4, 8, 11, 16, 17, 22, 34, 44, 68, 88, 136, 176, 187, 272, 374, 748, 1496, 2992, 6961, 13922, 27844, 55688, 76571, 111376, 118337, 153142, 236674, 306284, 473348, 612568, 946696, 1225136, 1301707, 1893392, 2603414, 5206828, 10413656, 20827312]

約数ペア:

[(1, 20827312), (2, 10413656), (4, 5206828), (8, 2603414), (11, 1893392), (16, 1301707), (17, 1225136), (22, 946696), (34, 612568), (44, 473348), (68, 306284), (88, 236674), (136, 153142), (176, 118337), (187, 111376), (272, 76571), (374, 55688), (748, 27844), (1496, 13922), (2992, 6961)]