20674644

素因数分解:

$2^2\times 3^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{373}}^1$

素因数の和:560

約数の個数: 48

約数和(自身を含む): 50265600

約数和(自身を除く): 29590956

約数列:

[1, 2, 3, 4, 6, 12, 31, 62, 93, 124, 149, 186, 298, 372, 373, 447, 596, 746, 894, 1119, 1492, 1788, 2238, 4476, 4619, 9238, 11563, 13857, 18476, 23126, 27714, 34689, 46252, 55428, 55577, 69378, 111154, 138756, 166731, 222308, 333462, 666924, 1722887, 3445774, 5168661, 6891548, 10337322, 20674644]

約数ペア:

[(1, 20674644), (2, 10337322), (3, 6891548), (4, 5168661), (6, 3445774), (12, 1722887), (31, 666924), (62, 333462), (93, 222308), (124, 166731), (149, 138756), (186, 111154), (298, 69378), (372, 55577), (373, 55428), (447, 46252), (596, 34689), (746, 27714), (894, 23126), (1119, 18476), (1492, 13857), (1788, 11563), (2238, 9238), (4476, 4619)]