20442136

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{167}}^1$

素因数の和:304

約数の個数: 64

約数和(自身を含む): 45722880

約数和(自身を除く): 25280744

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 44, 52, 88, 104, 107, 143, 167, 214, 286, 334, 428, 572, 668, 856, 1144, 1177, 1336, 1391, 1837, 2171, 2354, 2782, 3674, 4342, 4708, 5564, 7348, 8684, 9416, 11128, 14696, 15301, 17368, 17869, 23881, 30602, 35738, 47762, 61204, 71476, 95524, 122408, 142952, 191048, 196559, 232297, 393118, 464594, 786236, 929188, 1572472, 1858376, 2555267, 5110534, 10221068, 20442136]

約数ペア:

[(1, 20442136), (2, 10221068), (4, 5110534), (8, 2555267), (11, 1858376), (13, 1572472), (22, 929188), (26, 786236), (44, 464594), (52, 393118), (88, 232297), (104, 196559), (107, 191048), (143, 142952), (167, 122408), (214, 95524), (286, 71476), (334, 61204), (428, 47762), (572, 35738), (668, 30602), (856, 23881), (1144, 17869), (1177, 17368), (1336, 15301), (1391, 14696), (1837, 11128), (2171, 9416), (2354, 8684), (2782, 7348), (3674, 5564), (4342, 4708)]