20146918120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{457}}^1\times {\mathrm{1993}}^1$

素因数の和:2547

約数の個数: 128

約数和(自身を含む): 52603315200

約数和(自身を除く): 32456397080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 79, 140, 158, 280, 316, 395, 457, 553, 632, 790, 914, 1106, 1580, 1828, 1993, 2212, 2285, 2765, 3160, 3199, 3656, 3986, 4424, 4570, 5530, 6398, 7972, 9140, 9965, 11060, 12796, 13951, 15944, 15995, 18280, 19930, 22120, 25592, 27902, 31990, 36103, 39860, 55804, 63980, 69755, 72206, 79720, 111608, 127960, 139510, 144412, 157447, 180515, 252721, 279020, 288824, 314894, 361030, 505442, 558040, 629788, 722060, 787235, 910801, 1010884, 1102129, 1259576, 1263605, 1444120, 1574470, 1821602, 2021768, 2204258, 2527210, 3148940, 3643204, 4408516, 4554005, 5054420, 5510645, 6297880, 6375607, 7286408, 8817032, 9108010, 10108840, 11021290, 12751214, 18216020, 22042580, 25502428, 31878035, 36432040, 44085160, 51004856, 63756070, 71953279, 127512140, 143906558, 255024280, 287813116, 359766395, 503672953, 575626232, 719532790, 1007345906, 1439065580, 2014691812, 2518364765, 2878131160, 4029383624, 5036729530, 10073459060, 20146918120]

約数ペア:

[(1, 20146918120), (2, 10073459060), (4, 5036729530), (5, 4029383624), (7, 2878131160), (8, 2518364765), (10, 2014691812), (14, 1439065580), (20, 1007345906), (28, 719532790), (35, 575626232), (40, 503672953), (56, 359766395), (70, 287813116), (79, 255024280), (140, 143906558), (158, 127512140), (280, 71953279), (316, 63756070), (395, 51004856), (457, 44085160), (553, 36432040), (632, 31878035), (790, 25502428), (914, 22042580), (1106, 18216020), (1580, 12751214), (1828, 11021290), (1993, 10108840), (2212, 9108010), (2285, 8817032), (2765, 7286408), (3160, 6375607), (3199, 6297880), (3656, 5510645), (3986, 5054420), (4424, 4554005), (4570, 4408516), (5530, 3643204), (6398, 3148940), (7972, 2527210), (9140, 2204258), (9965, 2021768), (11060, 1821602), (12796, 1574470), (13951, 1444120), (15944, 1263605), (15995, 1259576), (18280, 1102129), (19930, 1010884), (22120, 910801), (25592, 787235), (27902, 722060), (31990, 629788), (36103, 558040), (39860, 505442), (55804, 361030), (63980, 314894), (69755, 288824), (72206, 279020), (79720, 252721), (111608, 180515), (127960, 157447), (139510, 144412)]