20132955080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{263}}^1\times {\mathrm{2087}}^1$

素因数の和:2499

約数の個数: 128

約数和(自身を含む): 52389089280

約数和(自身を除く): 32256134200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 131, 140, 262, 263, 280, 524, 526, 655, 917, 1048, 1052, 1310, 1315, 1834, 1841, 2087, 2104, 2620, 2630, 3668, 3682, 4174, 4585, 5240, 5260, 7336, 7364, 8348, 9170, 9205, 10435, 10520, 14609, 14728, 16696, 18340, 18410, 20870, 29218, 34453, 36680, 36820, 41740, 58436, 68906, 73045, 73640, 83480, 116872, 137812, 146090, 172265, 241171, 273397, 275624, 292180, 344530, 482342, 546794, 548881, 584360, 689060, 964684, 1093588, 1097762, 1205855, 1366985, 1378120, 1913779, 1929368, 2187176, 2195524, 2411710, 2733970, 2744405, 3827558, 3842167, 4391048, 4823420, 5467940, 5488810, 7655116, 7684334, 9568895, 9646840, 10935880, 10977620, 15310232, 15368668, 19137790, 19210835, 21955240, 30737336, 38275580, 38421670, 71903411, 76551160, 76843340, 143806822, 153686680, 287613644, 359517055, 503323877, 575227288, 719034110, 1006647754, 1438068220, 2013295508, 2516619385, 2876136440, 4026591016, 5033238770, 10066477540, 20132955080]

約数ペア:

[(1, 20132955080), (2, 10066477540), (4, 5033238770), (5, 4026591016), (7, 2876136440), (8, 2516619385), (10, 2013295508), (14, 1438068220), (20, 1006647754), (28, 719034110), (35, 575227288), (40, 503323877), (56, 359517055), (70, 287613644), (131, 153686680), (140, 143806822), (262, 76843340), (263, 76551160), (280, 71903411), (524, 38421670), (526, 38275580), (655, 30737336), (917, 21955240), (1048, 19210835), (1052, 19137790), (1310, 15368668), (1315, 15310232), (1834, 10977620), (1841, 10935880), (2087, 9646840), (2104, 9568895), (2620, 7684334), (2630, 7655116), (3668, 5488810), (3682, 5467940), (4174, 4823420), (4585, 4391048), (5240, 3842167), (5260, 3827558), (7336, 2744405), (7364, 2733970), (8348, 2411710), (9170, 2195524), (9205, 2187176), (10435, 1929368), (10520, 1913779), (14609, 1378120), (14728, 1366985), (16696, 1205855), (18340, 1097762), (18410, 1093588), (20870, 964684), (29218, 689060), (34453, 584360), (36680, 548881), (36820, 546794), (41740, 482342), (58436, 344530), (68906, 292180), (73045, 275624), (73640, 273397), (83480, 241171), (116872, 172265), (137812, 146090)]