20841737469

素因数分解:

$3^1\times 7^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{859}}^1$

素因数の和:992

約数の個数: 128

約数和(自身を含む): 36656640000

約数和(自身を除く): 15814902531

約数列:

[1, 3, 7, 17, 19, 21, 49, 51, 57, 73, 119, 133, 147, 219, 323, 343, 357, 399, 511, 833, 859, 931, 969, 1029, 1241, 1387, 1533, 2261, 2499, 2577, 2793, 3577, 3723, 4161, 5831, 6013, 6517, 6783, 8687, 9709, 10731, 14603, 15827, 16321, 17493, 18039, 19551, 23579, 25039, 26061, 29127, 42091, 43809, 47481, 48963, 60809, 62707, 67963, 70737, 75117, 102221, 110789, 114247, 126273, 165053, 182427, 188121, 203889, 277457, 294637, 306663, 332367, 342741, 425663, 438949, 475741, 495159, 715547, 799729, 832371, 883911, 1066019, 1155371, 1191433, 1276989, 1316847, 1427223, 1942199, 2146641, 2399187, 3072643, 3198057, 3466113, 3574299, 5008829, 5598103, 5826597, 7462133, 8087597, 8340031, 9217929, 13595393, 15026487, 16794309, 20254361, 21508501, 22386399, 24262791, 25020093, 40786179, 52234931, 58380217, 60763083, 64525503, 95167751, 141780527, 156704793, 175140651, 285503253, 365644517, 408661519, 425341581, 992463689, 1096933551, 1225984557, 2977391067, 6947245823, 20841737469]

約数ペア:

[(1, 20841737469), (3, 6947245823), (7, 2977391067), (17, 1225984557), (19, 1096933551), (21, 992463689), (49, 425341581), (51, 408661519), (57, 365644517), (73, 285503253), (119, 175140651), (133, 156704793), (147, 141780527), (219, 95167751), (323, 64525503), (343, 60763083), (357, 58380217), (399, 52234931), (511, 40786179), (833, 25020093), (859, 24262791), (931, 22386399), (969, 21508501), (1029, 20254361), (1241, 16794309), (1387, 15026487), (1533, 13595393), (2261, 9217929), (2499, 8340031), (2577, 8087597), (2793, 7462133), (3577, 5826597), (3723, 5598103), (4161, 5008829), (5831, 3574299), (6013, 3466113), (6517, 3198057), (6783, 3072643), (8687, 2399187), (9709, 2146641), (10731, 1942199), (14603, 1427223), (15827, 1316847), (16321, 1276989), (17493, 1191433), (18039, 1155371), (19551, 1066019), (23579, 883911), (25039, 832371), (26061, 799729), (29127, 715547), (42091, 495159), (43809, 475741), (47481, 438949), (48963, 425663), (60809, 342741), (62707, 332367), (67963, 306663), (70737, 294637), (75117, 277457), (102221, 203889), (110789, 188121), (114247, 182427), (126273, 165053)]