20180772909

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{347}}^1\times {\mathrm{431}}^1$

素因数の和:871

約数の個数: 96

約数和(自身を含む): 33771479040

約数和(自身を除く): 13590706131

約数列:

[1, 3, 9, 11, 29, 33, 47, 87, 99, 141, 261, 319, 347, 423, 431, 517, 957, 1041, 1293, 1363, 1551, 2871, 3123, 3817, 3879, 4089, 4653, 4741, 10063, 11451, 12267, 12499, 14223, 14993, 16309, 20257, 30189, 34353, 37497, 42669, 44979, 48927, 60771, 90567, 110693, 112491, 134937, 137489, 146781, 149557, 179399, 182313, 222827, 332079, 412467, 448671, 472961, 538197, 587453, 668481, 996237, 1237401, 1346013, 1418883, 1614591, 1645127, 1762359, 2005443, 4256649, 4337153, 4935381, 5202571, 5287077, 6461983, 7029179, 13011459, 14806143, 15607713, 19385949, 21087537, 39034377, 46823139, 47708683, 58157847, 63262611, 77320969, 143126049, 203846191, 231962907, 429378147, 611538573, 695888721, 1834615719, 2242308101, 6726924303, 20180772909]

約数ペア:

[(1, 20180772909), (3, 6726924303), (9, 2242308101), (11, 1834615719), (29, 695888721), (33, 611538573), (47, 429378147), (87, 231962907), (99, 203846191), (141, 143126049), (261, 77320969), (319, 63262611), (347, 58157847), (423, 47708683), (431, 46823139), (517, 39034377), (957, 21087537), (1041, 19385949), (1293, 15607713), (1363, 14806143), (1551, 13011459), (2871, 7029179), (3123, 6461983), (3817, 5287077), (3879, 5202571), (4089, 4935381), (4653, 4337153), (4741, 4256649), (10063, 2005443), (11451, 1762359), (12267, 1645127), (12499, 1614591), (14223, 1418883), (14993, 1346013), (16309, 1237401), (20257, 996237), (30189, 668481), (34353, 587453), (37497, 538197), (42669, 472961), (44979, 448671), (48927, 412467), (60771, 332079), (90567, 222827), (110693, 182313), (112491, 179399), (134937, 149557), (137489, 146781)]