20992008

素因数分解:

$2^3\times 3^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{2237}}^1$

素因数の和:2286

約数の個数: 64

約数和(自身を含む): 58008960

約数和(自身を除く): 37016952

約数列:

[1, 2, 3, 4, 6, 8, 12, 17, 23, 24, 34, 46, 51, 68, 69, 92, 102, 136, 138, 184, 204, 276, 391, 408, 552, 782, 1173, 1564, 2237, 2346, 3128, 4474, 4692, 6711, 8948, 9384, 13422, 17896, 26844, 38029, 51451, 53688, 76058, 102902, 114087, 152116, 154353, 205804, 228174, 304232, 308706, 411608, 456348, 617412, 874667, 912696, 1234824, 1749334, 2624001, 3498668, 5248002, 6997336, 10496004, 20992008]

約数ペア:

[(1, 20992008), (2, 10496004), (3, 6997336), (4, 5248002), (6, 3498668), (8, 2624001), (12, 1749334), (17, 1234824), (23, 912696), (24, 874667), (34, 617412), (46, 456348), (51, 411608), (68, 308706), (69, 304232), (92, 228174), (102, 205804), (136, 154353), (138, 152116), (184, 114087), (204, 102902), (276, 76058), (391, 53688), (408, 51451), (552, 38029), (782, 26844), (1173, 17896), (1564, 13422), (2237, 9384), (2346, 8948), (3128, 6711), (4474, 4692)]