20173910672

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{139}}^1\times {\mathrm{5521}}^1$

素因数の和:5752

約数の個数: 80

約数和(自身を含む): 41412349440

約数和(自身を除く): 21238438768

約数列:

[1, 2, 4, 8, 16, 31, 53, 62, 106, 124, 139, 212, 248, 278, 424, 496, 556, 848, 1112, 1643, 2224, 3286, 4309, 5521, 6572, 7367, 8618, 11042, 13144, 14734, 17236, 22084, 26288, 29468, 34472, 44168, 58936, 68944, 88336, 117872, 171151, 228377, 292613, 342302, 456754, 585226, 684604, 767419, 913508, 1170452, 1369208, 1534838, 1827016, 2340904, 2738416, 3069676, 3654032, 4681808, 6139352, 9071003, 12278704, 18142006, 23789989, 36284012, 40673207, 47579978, 72568024, 81346414, 95159956, 145136048, 162692828, 190319912, 325385656, 380639824, 650771312, 1260869417, 2521738834, 5043477668, 10086955336, 20173910672]

約数ペア:

[(1, 20173910672), (2, 10086955336), (4, 5043477668), (8, 2521738834), (16, 1260869417), (31, 650771312), (53, 380639824), (62, 325385656), (106, 190319912), (124, 162692828), (139, 145136048), (212, 95159956), (248, 81346414), (278, 72568024), (424, 47579978), (496, 40673207), (556, 36284012), (848, 23789989), (1112, 18142006), (1643, 12278704), (2224, 9071003), (3286, 6139352), (4309, 4681808), (5521, 3654032), (6572, 3069676), (7367, 2738416), (8618, 2340904), (11042, 1827016), (13144, 1534838), (14734, 1369208), (17236, 1170452), (22084, 913508), (26288, 767419), (29468, 684604), (34472, 585226), (44168, 456754), (58936, 342302), (68944, 292613), (88336, 228377), (117872, 171151)]