20428226

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{1049}}^1$

素因数の和:1178

約数の個数: 32

約数和(自身を含む): 38102400

約数和(自身を除く): 17674174

約数列:

[1, 2, 7, 13, 14, 26, 91, 107, 182, 214, 749, 1049, 1391, 1498, 2098, 2782, 7343, 9737, 13637, 14686, 19474, 27274, 95459, 112243, 190918, 224486, 785701, 1459159, 1571402, 2918318, 10214113, 20428226]

約数ペア:

[(1, 20428226), (2, 10214113), (7, 2918318), (13, 1571402), (14, 1459159), (26, 785701), (91, 224486), (107, 190918), (182, 112243), (214, 95459), (749, 27274), (1049, 19474), (1391, 14686), (1498, 13637), (2098, 9737), (2782, 7343)]