20842974

素因数分解:

$2^1\times 3^3\times {\mathrm{31}}^1\times {\mathrm{12451}}^1$

素因数の和:12493

約数の個数: 32

約数和(自身を含む): 47815680

約数和(自身を除く): 26972706

約数列:

[1, 2, 3, 6, 9, 18, 27, 31, 54, 62, 93, 186, 279, 558, 837, 1674, 12451, 24902, 37353, 74706, 112059, 224118, 336177, 385981, 672354, 771962, 1157943, 2315886, 3473829, 6947658, 10421487, 20842974]

約数ペア:

[(1, 20842974), (2, 10421487), (3, 6947658), (6, 3473829), (9, 2315886), (18, 1157943), (27, 771962), (31, 672354), (54, 385981), (62, 336177), (93, 224118), (186, 112059), (279, 74706), (558, 37353), (837, 24902), (1674, 12451)]