20178704931

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{1423}}^1$

素因数の和:1641

約数の個数: 128

約数和(自身を含む): 37323472896

約数和(自身を除く): 17144767965

約数列:

[1, 3, 7, 11, 17, 21, 23, 33, 51, 69, 77, 119, 157, 161, 187, 231, 253, 357, 391, 471, 483, 561, 759, 1099, 1173, 1309, 1423, 1727, 1771, 2669, 2737, 3297, 3611, 3927, 4269, 4301, 5181, 5313, 8007, 8211, 9961, 10833, 12089, 12903, 15653, 18683, 24191, 25277, 29359, 29883, 30107, 32729, 36267, 39721, 46959, 56049, 61387, 72573, 75831, 88077, 90321, 98187, 109571, 119163, 169337, 184161, 205513, 223411, 229103, 266101, 278047, 328713, 360019, 429709, 508011, 556393, 616539, 670233, 675257, 687309, 798303, 834141, 1080057, 1289127, 1563877, 1669179, 1862707, 2025771, 2457521, 2520133, 3797987, 3894751, 4691631, 4726799, 5138453, 5588121, 6120323, 7372563, 7560399, 11393961, 11684253, 14180397, 15415359, 17202647, 18360969, 26585909, 35969171, 41777857, 42842261, 51607941, 56522983, 79757727, 87353701, 107907513, 125333571, 128526783, 169568949, 262061103, 292444999, 395660881, 611475907, 877334997, 960890711, 1186982643, 1834427721, 2882672133, 6726234977, 20178704931]

約数ペア:

[(1, 20178704931), (3, 6726234977), (7, 2882672133), (11, 1834427721), (17, 1186982643), (21, 960890711), (23, 877334997), (33, 611475907), (51, 395660881), (69, 292444999), (77, 262061103), (119, 169568949), (157, 128526783), (161, 125333571), (187, 107907513), (231, 87353701), (253, 79757727), (357, 56522983), (391, 51607941), (471, 42842261), (483, 41777857), (561, 35969171), (759, 26585909), (1099, 18360969), (1173, 17202647), (1309, 15415359), (1423, 14180397), (1727, 11684253), (1771, 11393961), (2669, 7560399), (2737, 7372563), (3297, 6120323), (3611, 5588121), (3927, 5138453), (4269, 4726799), (4301, 4691631), (5181, 3894751), (5313, 3797987), (8007, 2520133), (8211, 2457521), (9961, 2025771), (10833, 1862707), (12089, 1669179), (12903, 1563877), (15653, 1289127), (18683, 1080057), (24191, 834141), (25277, 798303), (29359, 687309), (29883, 675257), (30107, 670233), (32729, 616539), (36267, 556393), (39721, 508011), (46959, 429709), (56049, 360019), (61387, 328713), (72573, 278047), (75831, 266101), (88077, 229103), (90321, 223411), (98187, 205513), (109571, 184161), (119163, 169337)]