20121986710

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{5801}}^1\times {\mathrm{7079}}^1$

素因数の和:12901

約数の個数: 48

約数和(自身を含む): 42146192160

約数和(自身を除く): 22024205450

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 5801, 7079, 11602, 14158, 29005, 35395, 40607, 49553, 58010, 70790, 81214, 99106, 203035, 247765, 284249, 346871, 406070, 495530, 568498, 693742, 1421245, 1734355, 2842490, 3468710, 41065279, 82130558, 205326395, 287456953, 410652790, 574913906, 1437284765, 2012198671, 2874569530, 4024397342, 10060993355, 20121986710]

約数ペア:

[(1, 20121986710), (2, 10060993355), (5, 4024397342), (7, 2874569530), (10, 2012198671), (14, 1437284765), (35, 574913906), (49, 410652790), (70, 287456953), (98, 205326395), (245, 82130558), (490, 41065279), (5801, 3468710), (7079, 2842490), (11602, 1734355), (14158, 1421245), (29005, 693742), (35395, 568498), (40607, 495530), (49553, 406070), (58010, 346871), (70790, 284249), (81214, 247765), (99106, 203035)]