20173089840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{967}}^1\times {\mathrm{86923}}^1$

素因数の和:87906

約数の個数: 80

約数和(自身を含む): 62601969408

約数和(自身を除く): 42428879568

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 967, 1934, 2901, 3868, 4835, 5802, 7736, 9670, 11604, 14505, 15472, 19340, 23208, 29010, 38680, 46416, 58020, 77360, 86923, 116040, 173846, 232080, 260769, 347692, 434615, 521538, 695384, 869230, 1043076, 1303845, 1390768, 1738460, 2086152, 2607690, 3476920, 4172304, 5215380, 6953840, 10430760, 20861520, 84054541, 168109082, 252163623, 336218164, 420272705, 504327246, 672436328, 840545410, 1008654492, 1260818115, 1344872656, 1681090820, 2017308984, 2521636230, 3362181640, 4034617968, 5043272460, 6724363280, 10086544920, 20173089840]

約数ペア:

[(1, 20173089840), (2, 10086544920), (3, 6724363280), (4, 5043272460), (5, 4034617968), (6, 3362181640), (8, 2521636230), (10, 2017308984), (12, 1681090820), (15, 1344872656), (16, 1260818115), (20, 1008654492), (24, 840545410), (30, 672436328), (40, 504327246), (48, 420272705), (60, 336218164), (80, 252163623), (120, 168109082), (240, 84054541), (967, 20861520), (1934, 10430760), (2901, 6953840), (3868, 5215380), (4835, 4172304), (5802, 3476920), (7736, 2607690), (9670, 2086152), (11604, 1738460), (14505, 1390768), (15472, 1303845), (19340, 1043076), (23208, 869230), (29010, 695384), (38680, 521538), (46416, 434615), (58020, 347692), (77360, 260769), (86923, 232080), (116040, 173846)]