20174821808

素因数分解:

$2^4\times {\mathrm{17}}^3\times {\mathrm{256651}}^1$

素因数の和:256710

約数の個数: 40

約数和(自身を含む): 41531426640

約数和(自身を除く): 21356604832

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 289, 578, 1156, 2312, 4624, 4913, 9826, 19652, 39304, 78608, 256651, 513302, 1026604, 2053208, 4106416, 4363067, 8726134, 17452268, 34904536, 69809072, 74172139, 148344278, 296688556, 593377112, 1186754224, 1260926363, 2521852726, 5043705452, 10087410904, 20174821808]

約数ペア:

[(1, 20174821808), (2, 10087410904), (4, 5043705452), (8, 2521852726), (16, 1260926363), (17, 1186754224), (34, 593377112), (68, 296688556), (136, 148344278), (272, 74172139), (289, 69809072), (578, 34904536), (1156, 17452268), (2312, 8726134), (4624, 4363067), (4913, 4106416), (9826, 2053208), (19652, 1026604), (39304, 513302), (78608, 256651)]