20788060

素因数分解:

$2^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{79}}^1\times {\mathrm{223}}^1$

素因数の和:370

約数の個数: 48

約数和(自身を含む): 45158400

約数和(自身を除く): 24370340

約数列:

[1, 2, 4, 5, 10, 20, 59, 79, 118, 158, 223, 236, 295, 316, 395, 446, 590, 790, 892, 1115, 1180, 1580, 2230, 4460, 4661, 9322, 13157, 17617, 18644, 23305, 26314, 35234, 46610, 52628, 65785, 70468, 88085, 93220, 131570, 176170, 263140, 352340, 1039403, 2078806, 4157612, 5197015, 10394030, 20788060]

約数ペア:

[(1, 20788060), (2, 10394030), (4, 5197015), (5, 4157612), (10, 2078806), (20, 1039403), (59, 352340), (79, 263140), (118, 176170), (158, 131570), (223, 93220), (236, 88085), (295, 70468), (316, 65785), (395, 52628), (446, 46610), (590, 35234), (790, 26314), (892, 23305), (1115, 18644), (1180, 17617), (1580, 13157), (2230, 9322), (4460, 4661)]