20154124520

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{223}}^1\times {\mathrm{48073}}^1$

素因数の和:48354

約数の個数: 64

約数和(自身を含む): 46520248320

約数和(自身を除く): 26366123800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 223, 235, 376, 446, 470, 892, 940, 1115, 1784, 1880, 2230, 4460, 8920, 10481, 20962, 41924, 48073, 52405, 83848, 96146, 104810, 192292, 209620, 240365, 384584, 419240, 480730, 961460, 1922920, 2259431, 4518862, 9037724, 10720279, 11297155, 18075448, 21440558, 22594310, 42881116, 45188620, 53601395, 85762232, 90377240, 107202790, 214405580, 428811160, 503853113, 1007706226, 2015412452, 2519265565, 4030824904, 5038531130, 10077062260, 20154124520]

約数ペア:

[(1, 20154124520), (2, 10077062260), (4, 5038531130), (5, 4030824904), (8, 2519265565), (10, 2015412452), (20, 1007706226), (40, 503853113), (47, 428811160), (94, 214405580), (188, 107202790), (223, 90377240), (235, 85762232), (376, 53601395), (446, 45188620), (470, 42881116), (892, 22594310), (940, 21440558), (1115, 18075448), (1784, 11297155), (1880, 10720279), (2230, 9037724), (4460, 4518862), (8920, 2259431), (10481, 1922920), (20962, 961460), (41924, 480730), (48073, 419240), (52405, 384584), (83848, 240365), (96146, 209620), (104810, 192292)]