20184625860

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{6865519}}^1$

素因数の和:6865545

約数の個数: 72

約数和(自身を含む): 65744219520

約数和(自身を除く): 45559593660

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 6865519, 13731038, 20596557, 27462076, 34327595, 41193114, 48058633, 68655190, 82386228, 96117266, 102982785, 137310380, 144175899, 192234532, 205965570, 240293165, 288351798, 336410431, 411931140, 480586330, 576703596, 672820862, 720879495, 961172660, 1009231293, 1345641724, 1441758990, 1682052155, 2018462586, 2883517980, 3364104310, 4036925172, 5046156465, 6728208620, 10092312930, 20184625860]

約数ペア:

[(1, 20184625860), (2, 10092312930), (3, 6728208620), (4, 5046156465), (5, 4036925172), (6, 3364104310), (7, 2883517980), (10, 2018462586), (12, 1682052155), (14, 1441758990), (15, 1345641724), (20, 1009231293), (21, 961172660), (28, 720879495), (30, 672820862), (35, 576703596), (42, 480586330), (49, 411931140), (60, 336410431), (70, 288351798), (84, 240293165), (98, 205965570), (105, 192234532), (140, 144175899), (147, 137310380), (196, 102982785), (210, 96117266), (245, 82386228), (294, 68655190), (420, 48058633), (490, 41193114), (588, 34327595), (735, 27462076), (980, 20596557), (1470, 13731038), (2940, 6865519)]