20912848

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{3833}}^1$

素因数の和:3883

約数の個数: 40

約数和(自身を含む): 45639936

約数和(自身を除く): 24727088

約数列:

[1, 2, 4, 8, 11, 16, 22, 31, 44, 62, 88, 124, 176, 248, 341, 496, 682, 1364, 2728, 3833, 5456, 7666, 15332, 30664, 42163, 61328, 84326, 118823, 168652, 237646, 337304, 475292, 674608, 950584, 1307053, 1901168, 2614106, 5228212, 10456424, 20912848]

約数ペア:

[(1, 20912848), (2, 10456424), (4, 5228212), (8, 2614106), (11, 1901168), (16, 1307053), (22, 950584), (31, 674608), (44, 475292), (62, 337304), (88, 237646), (124, 168652), (176, 118823), (248, 84326), (341, 61328), (496, 42163), (682, 30664), (1364, 15332), (2728, 7666), (3833, 5456)]