20137577481

素因数分解:

$3^3\times 7^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{571}}^1$

素因数の和:697

約数の個数: 192

約数和(自身を含む): 38811801600

約数和(自身を除く): 18674224119

約数列:

[1, 3, 7, 9, 19, 21, 23, 27, 49, 57, 61, 63, 69, 133, 147, 161, 171, 183, 189, 207, 399, 427, 437, 441, 483, 513, 549, 571, 621, 931, 1127, 1159, 1197, 1281, 1311, 1323, 1403, 1449, 1647, 1713, 2793, 2989, 3059, 3381, 3477, 3591, 3843, 3933, 3997, 4209, 4347, 5139, 8113, 8379, 8967, 9177, 9821, 10143, 10431, 10849, 11529, 11799, 11991, 12627, 13133, 15417, 21413, 24339, 25137, 26657, 26901, 27531, 27979, 29463, 30429, 31293, 32547, 34831, 35973, 37881, 39399, 56791, 64239, 68747, 73017, 75943, 79971, 80703, 82593, 83937, 88389, 91931, 97641, 104493, 107919, 118197, 170373, 186599, 192717, 206241, 219051, 227829, 239913, 243817, 249527, 251811, 265167, 275793, 292923, 313479, 354591, 511119, 531601, 559797, 578151, 618723, 643517, 661789, 683487, 719739, 731451, 748581, 755433, 801113, 827379, 940437, 1306193, 1533357, 1594803, 1679391, 1706719, 1746689, 1856169, 1930551, 1985367, 2050461, 2194353, 2245743, 2403339, 2482137, 3918579, 4632523, 4784409, 5038173, 5120157, 5240067, 5607791, 5791653, 5956101, 6583059, 6737229, 7210017, 11755737, 12226823, 13897569, 14353227, 15221147, 15360471, 15720201, 16823373, 17374959, 17868303, 21630051, 32427661, 35267211, 36680469, 39254537, 41692707, 45663441, 46081413, 47160603, 50470119, 97282983, 106548029, 110041407, 117763611, 125078121, 136990323, 151410357, 291848949, 319644087, 330124221, 353290833, 410970969, 745836203, 875546847, 958932261, 1059872499, 2237508609, 2876796783, 6712525827, 20137577481]

約数ペア:

[(1, 20137577481), (3, 6712525827), (7, 2876796783), (9, 2237508609), (19, 1059872499), (21, 958932261), (23, 875546847), (27, 745836203), (49, 410970969), (57, 353290833), (61, 330124221), (63, 319644087), (69, 291848949), (133, 151410357), (147, 136990323), (161, 125078121), (171, 117763611), (183, 110041407), (189, 106548029), (207, 97282983), (399, 50470119), (427, 47160603), (437, 46081413), (441, 45663441), (483, 41692707), (513, 39254537), (549, 36680469), (571, 35267211), (621, 32427661), (931, 21630051), (1127, 17868303), (1159, 17374959), (1197, 16823373), (1281, 15720201), (1311, 15360471), (1323, 15221147), (1403, 14353227), (1449, 13897569), (1647, 12226823), (1713, 11755737), (2793, 7210017), (2989, 6737229), (3059, 6583059), (3381, 5956101), (3477, 5791653), (3591, 5607791), (3843, 5240067), (3933, 5120157), (3997, 5038173), (4209, 4784409), (4347, 4632523), (5139, 3918579), (8113, 2482137), (8379, 2403339), (8967, 2245743), (9177, 2194353), (9821, 2050461), (10143, 1985367), (10431, 1930551), (10849, 1856169), (11529, 1746689), (11799, 1706719), (11991, 1679391), (12627, 1594803), (13133, 1533357), (15417, 1306193), (21413, 940437), (24339, 827379), (25137, 801113), (26657, 755433), (26901, 748581), (27531, 731451), (27979, 719739), (29463, 683487), (30429, 661789), (31293, 643517), (32547, 618723), (34831, 578151), (35973, 559797), (37881, 531601), (39399, 511119), (56791, 354591), (64239, 313479), (68747, 292923), (73017, 275793), (75943, 265167), (79971, 251811), (80703, 249527), (82593, 243817), (83937, 239913), (88389, 227829), (91931, 219051), (97641, 206241), (104493, 192717), (107919, 186599), (118197, 170373)]