20806484280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{536803}}^1$

素因数の和:536853

約数の個数: 128

約数和(自身を含む): 69569798400

約数和(自身を除く): 48763314120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 19, 20, 24, 30, 34, 38, 40, 51, 57, 60, 68, 76, 85, 95, 102, 114, 120, 136, 152, 170, 190, 204, 228, 255, 285, 323, 340, 380, 408, 456, 510, 570, 646, 680, 760, 969, 1020, 1140, 1292, 1615, 1938, 2040, 2280, 2584, 3230, 3876, 4845, 6460, 7752, 9690, 12920, 19380, 38760, 536803, 1073606, 1610409, 2147212, 2684015, 3220818, 4294424, 5368030, 6441636, 8052045, 9125651, 10199257, 10736060, 12883272, 16104090, 18251302, 20398514, 21472120, 27376953, 30597771, 32208180, 36502604, 40797028, 45628255, 50996285, 54753906, 61195542, 64416360, 73005208, 81594056, 91256510, 101992570, 109507812, 122391084, 136884765, 152988855, 173387369, 182513020, 203985140, 219015624, 244782168, 273769530, 305977710, 346774738, 365026040, 407970280, 520162107, 547539060, 611955420, 693549476, 866936845, 1040324214, 1095078120, 1223910840, 1387098952, 1733873690, 2080648428, 2600810535, 3467747380, 4161296856, 5201621070, 6935494760, 10403242140, 20806484280]

約数ペア:

[(1, 20806484280), (2, 10403242140), (3, 6935494760), (4, 5201621070), (5, 4161296856), (6, 3467747380), (8, 2600810535), (10, 2080648428), (12, 1733873690), (15, 1387098952), (17, 1223910840), (19, 1095078120), (20, 1040324214), (24, 866936845), (30, 693549476), (34, 611955420), (38, 547539060), (40, 520162107), (51, 407970280), (57, 365026040), (60, 346774738), (68, 305977710), (76, 273769530), (85, 244782168), (95, 219015624), (102, 203985140), (114, 182513020), (120, 173387369), (136, 152988855), (152, 136884765), (170, 122391084), (190, 109507812), (204, 101992570), (228, 91256510), (255, 81594056), (285, 73005208), (323, 64416360), (340, 61195542), (380, 54753906), (408, 50996285), (456, 45628255), (510, 40797028), (570, 36502604), (646, 32208180), (680, 30597771), (760, 27376953), (969, 21472120), (1020, 20398514), (1140, 18251302), (1292, 16104090), (1615, 12883272), (1938, 10736060), (2040, 10199257), (2280, 9125651), (2584, 8052045), (3230, 6441636), (3876, 5368030), (4845, 4294424), (6460, 3220818), (7752, 2684015), (9690, 2147212), (12920, 1610409), (19380, 1073606), (38760, 536803)]