20218584708

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{1015601}}^1$

素因数の和:1015697

約数の個数: 72

約数和(自身を含む): 59148660480

約数和(自身を除く): 38930075772

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 79, 84, 126, 158, 237, 252, 316, 474, 553, 711, 948, 1106, 1422, 1659, 2212, 2844, 3318, 4977, 6636, 9954, 19908, 1015601, 2031202, 3046803, 4062404, 6093606, 7109207, 9140409, 12187212, 14218414, 18280818, 21327621, 28436828, 36561636, 42655242, 63982863, 80232479, 85310484, 127965726, 160464958, 240697437, 255931452, 320929916, 481394874, 561627353, 722092311, 962789748, 1123254706, 1444184622, 1684882059, 2246509412, 2888369244, 3369764118, 5054646177, 6739528236, 10109292354, 20218584708]

約数ペア:

[(1, 20218584708), (2, 10109292354), (3, 6739528236), (4, 5054646177), (6, 3369764118), (7, 2888369244), (9, 2246509412), (12, 1684882059), (14, 1444184622), (18, 1123254706), (21, 962789748), (28, 722092311), (36, 561627353), (42, 481394874), (63, 320929916), (79, 255931452), (84, 240697437), (126, 160464958), (158, 127965726), (237, 85310484), (252, 80232479), (316, 63982863), (474, 42655242), (553, 36561636), (711, 28436828), (948, 21327621), (1106, 18280818), (1422, 14218414), (1659, 12187212), (2212, 9140409), (2844, 7109207), (3318, 6093606), (4977, 4062404), (6636, 3046803), (9954, 2031202), (19908, 1015601)]