20136489485

素因数分解:

$5^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{151}}^1\times {\mathrm{8923}}^1$

素因数の和:9154

約数の個数: 48

約数和(自身を含む): 28762123392

約数和(自身を除く): 8625633907

約数列:

[1, 5, 7, 35, 49, 61, 151, 245, 305, 427, 755, 1057, 2135, 2989, 5285, 7399, 8923, 9211, 14945, 36995, 44615, 46055, 62461, 64477, 312305, 322385, 437227, 451339, 544303, 1347373, 2186135, 2256695, 2721515, 3810121, 6736865, 9431611, 19050605, 26670847, 47158055, 66021277, 82189753, 133354235, 330106385, 410948765, 575328271, 2876641355, 4027297897, 20136489485]

約数ペア:

[(1, 20136489485), (5, 4027297897), (7, 2876641355), (35, 575328271), (49, 410948765), (61, 330106385), (151, 133354235), (245, 82189753), (305, 66021277), (427, 47158055), (755, 26670847), (1057, 19050605), (2135, 9431611), (2989, 6736865), (5285, 3810121), (7399, 2721515), (8923, 2256695), (9211, 2186135), (14945, 1347373), (36995, 544303), (44615, 451339), (46055, 437227), (62461, 322385), (64477, 312305)]