20235634880

素因数分解:

$2^6\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1470613}}^1$

素因数の和:1470673

約数の個数: 56

約数和(自身を含む): 49306746192

約数和(自身を除く): 29071111312

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 64, 80, 86, 160, 172, 215, 320, 344, 430, 688, 860, 1376, 1720, 2752, 3440, 6880, 13760, 1470613, 2941226, 5882452, 7353065, 11764904, 14706130, 23529808, 29412260, 47059616, 58824520, 63236359, 94119232, 117649040, 126472718, 235298080, 252945436, 316181795, 470596160, 505890872, 632363590, 1011781744, 1264727180, 2023563488, 2529454360, 4047126976, 5058908720, 10117817440, 20235634880]

約数ペア:

[(1, 20235634880), (2, 10117817440), (4, 5058908720), (5, 4047126976), (8, 2529454360), (10, 2023563488), (16, 1264727180), (20, 1011781744), (32, 632363590), (40, 505890872), (43, 470596160), (64, 316181795), (80, 252945436), (86, 235298080), (160, 126472718), (172, 117649040), (215, 94119232), (320, 63236359), (344, 58824520), (430, 47059616), (688, 29412260), (860, 23529808), (1376, 14706130), (1720, 11764904), (2752, 7353065), (3440, 5882452), (6880, 2941226), (13760, 1470613)]