17802820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{127163}}^1$

素因数の和:127179

約数の個数: 24

約数和(自身を含む): 42727104

約数和(自身を除く): 24924284

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 127163, 254326, 508652, 635815, 890141, 1271630, 1780282, 2543260, 3560564, 4450705, 8901410, 17802820]

約数ペア:

[(1, 17802820), (2, 8901410), (4, 4450705), (5, 3560564), (7, 2543260), (10, 1780282), (14, 1271630), (20, 890141), (28, 635815), (35, 508652), (70, 254326), (140, 127163)]