20783969318

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1061}}^1\times {\mathrm{73643}}^1$

素因数の和:74732

約数の個数: 32

約数和(自身を含む): 37540765440

約数和(自身を除く): 16756796122

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 1061, 2122, 7427, 14854, 20159, 40318, 73643, 141113, 147286, 282226, 515501, 1031002, 1399217, 2798434, 9794519, 19589038, 78135223, 156270446, 546946561, 1093893122, 1484569237, 2969138474, 10391984659, 20783969318]

約数ペア:

[(1, 20783969318), (2, 10391984659), (7, 2969138474), (14, 1484569237), (19, 1093893122), (38, 546946561), (133, 156270446), (266, 78135223), (1061, 19589038), (2122, 9794519), (7427, 2798434), (14854, 1399217), (20159, 1031002), (40318, 515501), (73643, 282226), (141113, 147286)]