20162275

素因数分解:

$5^2\times 7^2\times {\mathrm{109}}^1\times {\mathrm{151}}^1$

素因数の和:284

約数の個数: 36

約数和(自身を含む): 29544240

約数和(自身を除く): 9381965

約数列:

[1, 5, 7, 25, 35, 49, 109, 151, 175, 245, 545, 755, 763, 1057, 1225, 2725, 3775, 3815, 5285, 5341, 7399, 16459, 19075, 26425, 26705, 36995, 82295, 115213, 133525, 184975, 411475, 576065, 806491, 2880325, 4032455, 20162275]

約数ペア:

[(1, 20162275), (5, 4032455), (7, 2880325), (25, 806491), (35, 576065), (49, 411475), (109, 184975), (151, 133525), (175, 115213), (245, 82295), (545, 36995), (755, 26705), (763, 26425), (1057, 19075), (1225, 16459), (2725, 7399), (3775, 5341), (3815, 5285)]