20121032431

素因数分解:

${\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{139}}^1\times {\mathrm{7877}}^1$

素因数の和:8103

約数の個数: 32

約数和(自身を含む): 22870149120

約数和(自身を除く): 2749116689

約数列:

[1, 17, 23, 47, 139, 391, 799, 1081, 2363, 3197, 6533, 7877, 18377, 54349, 111061, 133909, 150259, 181171, 370219, 1094903, 2554403, 3079907, 6293723, 8515037, 18613351, 25182769, 51460441, 144755629, 428107073, 874827497, 1183590143, 20121032431]

約数ペア:

[(1, 20121032431), (17, 1183590143), (23, 874827497), (47, 428107073), (139, 144755629), (391, 51460441), (799, 25182769), (1081, 18613351), (2363, 8515037), (3197, 6293723), (6533, 3079907), (7877, 2554403), (18377, 1094903), (54349, 370219), (111061, 181171), (133909, 150259)]